81165567

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{54437}}^1$

素因数の和:54518

約数の個数: 16

約数和(自身を含む): 125425152

約数和(自身を除く): 44259585

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 54437, 163311, 381059, 1143177, 3865027, 11595081, 27055189, 81165567]

約数ペア:

[(1, 81165567), (3, 27055189), (7, 11595081), (21, 3865027), (71, 1143177), (213, 381059), (497, 163311), (1491, 54437)]