51812865

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{757}}^1$

素因数の和:800

約数の個数: 60

約数和(自身を含む): 100706364

約数和(自身を除く): 48893499

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 169, 195, 351, 405, 507, 585, 757, 845, 1053, 1521, 1755, 2271, 2535, 3785, 4563, 5265, 6813, 7605, 9841, 11355, 13689, 20439, 22815, 29523, 34065, 49205, 61317, 68445, 88569, 102195, 127933, 147615, 265707, 306585, 383799, 442845, 639665, 797121, 1151397, 1328535, 1918995, 3454191, 3985605, 5756985, 10362573, 17270955, 51812865]

約数ペア:

[(1, 51812865), (3, 17270955), (5, 10362573), (9, 5756985), (13, 3985605), (15, 3454191), (27, 1918995), (39, 1328535), (45, 1151397), (65, 797121), (81, 639665), (117, 442845), (135, 383799), (169, 306585), (195, 265707), (351, 147615), (405, 127933), (507, 102195), (585, 88569), (757, 68445), (845, 61317), (1053, 49205), (1521, 34065), (1755, 29523), (2271, 22815), (2535, 20439), (3785, 13689), (4563, 11355), (5265, 9841), (6813, 7605)]