157691521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2393}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 175757904

約数和(自身を除く): 18066383

約数列:

[1, 13, 37, 137, 481, 1781, 2393, 5069, 31109, 65897, 88541, 327841, 1151033, 4261933, 12130117, 157691521]

約数ペア:

[(1, 157691521), (13, 12130117), (37, 4261933), (137, 1151033), (481, 327841), (1781, 88541), (2393, 65897), (5069, 31109)]