81621709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1627}}^1$

素因数の和:1884

約数の個数: 16

約数和(自身を含む): 93538368

約数和(自身を除く): 11916659

約数列:

[1, 13, 17, 221, 227, 1627, 2951, 3859, 21151, 27659, 50167, 359567, 369329, 4801277, 6278593, 81621709]

約数ペア:

[(1, 81621709), (13, 6278593), (17, 4801277), (221, 369329), (227, 359567), (1627, 50167), (2951, 27659), (3859, 21151)]