17681901

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 24357696

約数和(自身を除く): 6675795

約数列:

[1, 3, 43, 113, 129, 339, 1213, 3639, 4859, 14577, 52159, 137069, 156477, 411207, 5893967, 17681901]

約数ペア:

[(1, 17681901), (3, 5893967), (43, 411207), (113, 156477), (129, 137069), (339, 52159), (1213, 14577), (3639, 4859)]