217878885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 501396480

約数和(自身を除く): 283517595

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 29, 35, 45, 51, 61, 63, 69, 85, 87, 105, 115, 119, 145, 153, 161, 183, 203, 207, 255, 261, 305, 315, 345, 357, 391, 427, 435, 483, 493, 549, 595, 609, 667, 765, 805, 915, 1015, 1035, 1037, 1071, 1173, 1281, 1305, 1403, 1449, 1479, 1769, 1785, 1827, 1955, 2001, 2135, 2415, 2465, 2737, 2745, 3045, 3111, 3335, 3451, 3519, 3843, 4209, 4437, 4669, 5185, 5307, 5355, 5865, 6003, 6405, 7015, 7245, 7259, 7395, 8211, 8845, 9135, 9333, 9821, 10005, 10353, 11339, 12383, 12627, 13685, 14007, 15555, 15921, 17255, 17595, 19215, 21045, 21777, 22185, 23345, 23851, 24633, 26535, 29463, 30015, 30073, 31059, 34017, 36295, 37149, 40687, 41055, 42021, 46665, 49105, 51765, 56695, 61915, 63135, 65331, 70035, 71553, 79373, 79605, 88389, 90219, 102051, 108885, 111447, 119255, 122061, 123165, 147315, 150365, 155295, 166957, 170085, 185745, 203435, 210105, 210511, 214659, 238119, 270657, 284809, 326655, 357765, 366183, 396865, 441945, 451095, 500871, 510255, 557235, 610305, 631533, 691679, 714357, 834785, 854427, 1052555, 1073295, 1190595, 1353285, 1424045, 1502613, 1830915, 1894599, 2075037, 2504355, 2563281, 3157665, 3458395, 3571785, 4272135, 4841753, 6225111, 7513065, 9472995, 10375185, 12816405, 14525259, 24208765, 31125555, 43575777, 72626295, 217878885]

約数ペア:

[(1, 217878885), (3, 72626295), (5, 43575777), (7, 31125555), (9, 24208765), (15, 14525259), (17, 12816405), (21, 10375185), (23, 9472995), (29, 7513065), (35, 6225111), (45, 4841753), (51, 4272135), (61, 3571785), (63, 3458395), (69, 3157665), (85, 2563281), (87, 2504355), (105, 2075037), (115, 1894599), (119, 1830915), (145, 1502613), (153, 1424045), (161, 1353285), (183, 1190595), (203, 1073295), (207, 1052555), (255, 854427), (261, 834785), (305, 714357), (315, 691679), (345, 631533), (357, 610305), (391, 557235), (427, 510255), (435, 500871), (483, 451095), (493, 441945), (549, 396865), (595, 366183), (609, 357765), (667, 326655), (765, 284809), (805, 270657), (915, 238119), (1015, 214659), (1035, 210511), (1037, 210105), (1071, 203435), (1173, 185745), (1281, 170085), (1305, 166957), (1403, 155295), (1449, 150365), (1479, 147315), (1769, 123165), (1785, 122061), (1827, 119255), (1955, 111447), (2001, 108885), (2135, 102051), (2415, 90219), (2465, 88389), (2737, 79605), (2745, 79373), (3045, 71553), (3111, 70035), (3335, 65331), (3451, 63135), (3519, 61915), (3843, 56695), (4209, 51765), (4437, 49105), (4669, 46665), (5185, 42021), (5307, 41055), (5355, 40687), (5865, 37149), (6003, 36295), (6405, 34017), (7015, 31059), (7245, 30073), (7259, 30015), (7395, 29463), (8211, 26535), (8845, 24633), (9135, 23851), (9333, 23345), (9821, 22185), (10005, 21777), (10353, 21045), (11339, 19215), (12383, 17595), (12627, 17255), (13685, 15921), (14007, 15555)]