81291255

素因数分解:

$3^1\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{3251}}^1$

素因数の和:4926

約数の個数: 16

約数和(自身を含む): 130184064

約数和(自身を除く): 48892809

約数列:

[1, 3, 5, 15, 1667, 3251, 5001, 8335, 9753, 16255, 25005, 48765, 5419417, 16258251, 27097085, 81291255]

約数ペア:

[(1, 81291255), (3, 27097085), (5, 16258251), (15, 5419417), (1667, 48765), (3251, 25005), (5001, 16255), (8335, 9753)]