161872431

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{10691}}^1$

素因数の和:10811

約数の個数: 24

約数和(自身を含む): 253528704

約数和(自身を除く): 91656273

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 10691, 15141, 32073, 74837, 224511, 523859, 1101173, 1571577, 3303519, 7708211, 23124633, 53957477, 161872431]

約数ペア:

[(1, 161872431), (3, 53957477), (7, 23124633), (21, 7708211), (49, 3303519), (103, 1571577), (147, 1101173), (309, 523859), (721, 224511), (2163, 74837), (5047, 32073), (10691, 15141)]