23981985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 48522240

約数和(自身を除く): 24540255

約数列:

[1, 3, 5, 9, 15, 17, 23, 29, 45, 47, 51, 69, 85, 87, 115, 141, 145, 153, 207, 235, 255, 261, 345, 391, 423, 435, 493, 667, 705, 765, 799, 1035, 1081, 1173, 1305, 1363, 1479, 1955, 2001, 2115, 2397, 2465, 3243, 3335, 3519, 3995, 4089, 4437, 5405, 5865, 6003, 6815, 7191, 7395, 9729, 10005, 11339, 11985, 12267, 16215, 17595, 18377, 20445, 22185, 23171, 30015, 31349, 34017, 35955, 48645, 55131, 56695, 61335, 69513, 91885, 94047, 102051, 115855, 156745, 165393, 170085, 208539, 275655, 282141, 347565, 470235, 510255, 532933, 826965, 1042695, 1410705, 1598799, 2664665, 4796397, 7993995, 23981985]

約数ペア:

[(1, 23981985), (3, 7993995), (5, 4796397), (9, 2664665), (15, 1598799), (17, 1410705), (23, 1042695), (29, 826965), (45, 532933), (47, 510255), (51, 470235), (69, 347565), (85, 282141), (87, 275655), (115, 208539), (141, 170085), (145, 165393), (153, 156745), (207, 115855), (235, 102051), (255, 94047), (261, 91885), (345, 69513), (391, 61335), (423, 56695), (435, 55131), (493, 48645), (667, 35955), (705, 34017), (765, 31349), (799, 30015), (1035, 23171), (1081, 22185), (1173, 20445), (1305, 18377), (1363, 17595), (1479, 16215), (1955, 12267), (2001, 11985), (2115, 11339), (2397, 10005), (2465, 9729), (3243, 7395), (3335, 7191), (3519, 6815), (3995, 6003), (4089, 5865), (4437, 5405)]