165681411

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{111121}}^1$

素因数の和:111202

約数の個数: 16

約数和(自身を含む): 256025088

約数和(自身を除く): 90343677

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 111121, 333363, 777847, 2333541, 7889591, 23668773, 55227137, 165681411]

約数ペア:

[(1, 165681411), (3, 55227137), (7, 23668773), (21, 7889591), (71, 2333541), (213, 777847), (497, 333363), (1491, 111121)]