109218421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21487}}^1$

素因数の和:21540

約数の個数: 16

約数和(自身を含む): 129959424

約数和(自身を除く): 20741003

約数列:

[1, 13, 17, 23, 221, 299, 391, 5083, 21487, 279331, 365279, 494201, 4748627, 6424613, 8401417, 109218421]

約数ペア:

[(1, 109218421), (13, 8401417), (17, 6424613), (23, 4748627), (221, 494201), (299, 365279), (391, 279331), (5083, 21487)]