155121821

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 171932544

約数和(自身を除く): 16810723

約数列:

[1, 17, 23, 391, 617, 643, 10489, 10931, 14191, 14789, 241247, 251413, 396731, 6744427, 9124813, 155121821]

約数ペア:

[(1, 155121821), (17, 9124813), (23, 6744427), (391, 396731), (617, 251413), (643, 241247), (10489, 14789), (10931, 14191)]