81622125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5581}}^1$

素因数の和:5615

約数の個数: 48

約数和(自身を含む): 158484144

約数和(自身を除く): 76862019

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, 4875, 5581, 14625, 16743, 27905, 50229, 72553, 83715, 139525, 217659, 251145, 362765, 418575, 652977, 697625, 1088295, 1255725, 1813825, 2092875, 3264885, 5441475, 6278625, 9069125, 16324425, 27207375, 81622125]

約数ペア:

[(1, 81622125), (3, 27207375), (5, 16324425), (9, 9069125), (13, 6278625), (15, 5441475), (25, 3264885), (39, 2092875), (45, 1813825), (65, 1255725), (75, 1088295), (117, 697625), (125, 652977), (195, 418575), (225, 362765), (325, 251145), (375, 217659), (585, 139525), (975, 83715), (1125, 72553), (1625, 50229), (2925, 27905), (4875, 16743), (5581, 14625)]