17996895009

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{1127837}}^1$

素因数の和:1128046

約数の個数: 20

約数和(自身を含む): 27020742804

約数和(自身を除く): 9023847795

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 15957, 1127837, 3383511, 10150533, 30451599, 91354797, 222183889, 666551667, 1999655001, 5998965003, 17996895009]

約数ペア:

[(1, 17996895009), (3, 5998965003), (9, 1999655001), (27, 666551667), (81, 222183889), (197, 91354797), (591, 30451599), (1773, 10150533), (5319, 3383511), (15957, 1127837)]