128843221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{3221}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 147773808

約数和(自身を除く): 18930587

約数列:

[1, 13, 17, 181, 221, 2353, 3077, 3221, 40001, 41873, 54757, 583001, 711841, 7579013, 9911017, 128843221]

約数ペア:

[(1, 128843221), (13, 9911017), (17, 7579013), (181, 711841), (221, 583001), (2353, 54757), (3077, 41873), (3221, 40001)]