81308625

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{4091}}^1$

素因数の和:4162

約数の個数: 32

約数和(自身を含む): 137884032

約数和(自身を除く): 56575407

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 159, 265, 375, 795, 1325, 3975, 4091, 6625, 12273, 19875, 20455, 61365, 102275, 216823, 306825, 511375, 650469, 1084115, 1534125, 3252345, 5420575, 16261725, 27102875, 81308625]

約数ペア:

[(1, 81308625), (3, 27102875), (5, 16261725), (15, 5420575), (25, 3252345), (53, 1534125), (75, 1084115), (125, 650469), (159, 511375), (265, 306825), (375, 216823), (795, 102275), (1325, 61365), (3975, 20455), (4091, 19875), (6625, 12273)]