388211625

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{5657}}^1$

素因数の和:5739

約数の個数: 48

約数和(自身を含む): 711414288

約数和(自身を除く): 323202663

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 305, 375, 549, 915, 1125, 1525, 2745, 4575, 5657, 7625, 13725, 16971, 22875, 28285, 50913, 68625, 84855, 141425, 254565, 345077, 424275, 707125, 1035231, 1272825, 1725385, 2121375, 3105693, 5176155, 6364125, 8626925, 15528465, 25880775, 43134625, 77642325, 129403875, 388211625]

約数ペア:

[(1, 388211625), (3, 129403875), (5, 77642325), (9, 43134625), (15, 25880775), (25, 15528465), (45, 8626925), (61, 6364125), (75, 5176155), (125, 3105693), (183, 2121375), (225, 1725385), (305, 1272825), (375, 1035231), (549, 707125), (915, 424275), (1125, 345077), (1525, 254565), (2745, 141425), (4575, 84855), (5657, 68625), (7625, 50913), (13725, 28285), (16971, 22875)]