64481625

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4443

約数の個数: 48

約数和(自身を含む): 125208720

約数和(自身を除く): 60727095

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1625, 2925, 4409, 4875, 13227, 14625, 22045, 39681, 57317, 66135, 110225, 171951, 198405, 286585, 330675, 515853, 551125, 859755, 992025, 1432925, 1653375, 2579265, 4298775, 4960125, 7164625, 12896325, 21493875, 64481625]

約数ペア:

[(1, 64481625), (3, 21493875), (5, 12896325), (9, 7164625), (13, 4960125), (15, 4298775), (25, 2579265), (39, 1653375), (45, 1432925), (65, 992025), (75, 859755), (117, 551125), (125, 515853), (195, 330675), (225, 286585), (325, 198405), (375, 171951), (585, 110225), (975, 66135), (1125, 57317), (1625, 39681), (2925, 22045), (4409, 14625), (4875, 13227)]