208291821

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{4021}}^1$

素因数の和:4612

約数の個数: 16

約数和(自身を含む): 287267328

約数和(自身を除く): 78975507

約数列:

[1, 3, 31, 93, 557, 1671, 4021, 12063, 17267, 51801, 124651, 373953, 2239697, 6719091, 69430607, 208291821]

約数ペア:

[(1, 208291821), (3, 69430607), (31, 6719091), (93, 2239697), (557, 373953), (1671, 124651), (4021, 51801), (12063, 17267)]