81563325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{35081}}^1$

素因数の和:35125

約数の個数: 24

約数和(自身を含む): 139205376

約数和(自身を除く): 57642051

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 35081, 105243, 175405, 526215, 877025, 1087511, 2631075, 3262533, 5437555, 16312665, 27187775, 81563325]

約数ペア:

[(1, 81563325), (3, 27187775), (5, 16312665), (15, 5437555), (25, 3262533), (31, 2631075), (75, 1087511), (93, 877025), (155, 526215), (465, 175405), (775, 105243), (2325, 35081)]