163915921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1523}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 187415424

約数和(自身を除く): 23499503

約数列:

[1, 13, 17, 221, 487, 1523, 6331, 8279, 19799, 25891, 107627, 336583, 741701, 9642113, 12608917, 163915921]

約数ペア:

[(1, 163915921), (13, 12608917), (17, 9642113), (221, 741701), (487, 336583), (1523, 107627), (6331, 25891), (8279, 19799)]