153920991

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{318677}}^1$

素因数の和:318710

約数の個数: 16

約数和(自身を含む): 244744704

約数和(自身を除く): 90823713

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 318677, 956031, 2230739, 6692217, 7329571, 21988713, 51306997, 153920991]

約数ペア:

[(1, 153920991), (3, 51306997), (7, 21988713), (21, 7329571), (23, 6692217), (69, 2230739), (161, 956031), (483, 318677)]