9867879189

素因数分解:

$3^4\times 7^1\times {\mathrm{17403667}}^1$

素因数の和:17403686

約数の個数: 20

約数和(自身を含む): 16846750624

約数和(自身を除く): 6978871435

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 17403667, 52211001, 121825669, 156633003, 365477007, 469899009, 1096431021, 1409697027, 3289293063, 9867879189]

約数ペア:

[(1, 9867879189), (3, 3289293063), (7, 1409697027), (9, 1096431021), (21, 469899009), (27, 365477007), (63, 156633003), (81, 121825669), (189, 52211001), (567, 17403667)]