51881445

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 192

約数和(自身を含む): 126074880

約数和(自身を除く): 74193435

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 27, 31, 33, 35, 45, 49, 55, 63, 69, 77, 93, 99, 105, 115, 135, 147, 155, 161, 165, 189, 207, 217, 231, 245, 253, 279, 297, 315, 341, 345, 385, 441, 465, 483, 495, 539, 621, 651, 693, 713, 735, 759, 805, 837, 945, 1023, 1035, 1085, 1127, 1155, 1265, 1323, 1395, 1449, 1485, 1519, 1617, 1705, 1771, 1953, 2079, 2139, 2205, 2277, 2387, 2415, 2695, 3069, 3105, 3255, 3381, 3465, 3565, 3795, 4185, 4347, 4557, 4851, 4991, 5115, 5313, 5635, 5859, 6417, 6615, 6831, 7161, 7245, 7595, 7843, 8085, 8855, 9207, 9765, 10143, 10395, 10695, 11385, 11935, 12397, 13671, 14553, 14973, 15345, 15939, 16709, 16905, 19251, 21483, 21735, 22785, 23529, 24255, 24955, 26565, 29295, 30429, 32085, 34155, 34937, 35805, 37191, 39215, 41013, 44919, 46035, 47817, 50127, 50715, 54901, 61985, 64449, 68355, 70587, 72765, 74865, 79695, 83545, 96255, 104811, 107415, 111573, 117645, 134757, 150381, 152145, 164703, 174685, 185955, 205065, 211761, 224595, 239085, 250635, 274505, 314433, 322245, 334719, 352935, 384307, 451143, 494109, 524055, 557865, 673785, 751905, 823515, 943299, 1058805, 1152921, 1482327, 1572165, 1673595, 1921535, 2255715, 2470545, 3458763, 4716495, 5764605, 7411635, 10376289, 17293815, 51881445]

約数ペア:

[(1, 51881445), (3, 17293815), (5, 10376289), (7, 7411635), (9, 5764605), (11, 4716495), (15, 3458763), (21, 2470545), (23, 2255715), (27, 1921535), (31, 1673595), (33, 1572165), (35, 1482327), (45, 1152921), (49, 1058805), (55, 943299), (63, 823515), (69, 751905), (77, 673785), (93, 557865), (99, 524055), (105, 494109), (115, 451143), (135, 384307), (147, 352935), (155, 334719), (161, 322245), (165, 314433), (189, 274505), (207, 250635), (217, 239085), (231, 224595), (245, 211761), (253, 205065), (279, 185955), (297, 174685), (315, 164703), (341, 152145), (345, 150381), (385, 134757), (441, 117645), (465, 111573), (483, 107415), (495, 104811), (539, 96255), (621, 83545), (651, 79695), (693, 74865), (713, 72765), (735, 70587), (759, 68355), (805, 64449), (837, 61985), (945, 54901), (1023, 50715), (1035, 50127), (1085, 47817), (1127, 46035), (1155, 44919), (1265, 41013), (1323, 39215), (1395, 37191), (1449, 35805), (1485, 34937), (1519, 34155), (1617, 32085), (1705, 30429), (1771, 29295), (1953, 26565), (2079, 24955), (2139, 24255), (2205, 23529), (2277, 22785), (2387, 21735), (2415, 21483), (2695, 19251), (3069, 16905), (3105, 16709), (3255, 15939), (3381, 15345), (3465, 14973), (3565, 14553), (3795, 13671), (4185, 12397), (4347, 11935), (4557, 11385), (4851, 10695), (4991, 10395), (5115, 10143), (5313, 9765), (5635, 9207), (5859, 8855), (6417, 8085), (6615, 7843), (6831, 7595), (7161, 7245)]