128415672021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{470387077}}^1$

素因数の和:470387100

約数の個数: 16

約数和(自身を含む): 210733410944

約数和(自身を除く): 82317738923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 470387077, 1411161231, 3292709539, 6115032001, 9878128617, 18345096003, 42805224007, 128415672021]

約数ペア:

[(1, 128415672021), (3, 42805224007), (7, 18345096003), (13, 9878128617), (21, 6115032001), (39, 3292709539), (91, 1411161231), (273, 470387077)]