128214171

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{51061}}^1$

素因数の和:51104

約数の個数: 20

約数和(自身を含む): 197712064

約数和(自身を除く): 69497893

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 51061, 153183, 459549, 1378647, 1582891, 4135941, 4748673, 14246019, 42738057, 128214171]

約数ペア:

[(1, 128214171), (3, 42738057), (9, 14246019), (27, 4748673), (31, 4135941), (81, 1582891), (93, 1378647), (279, 459549), (837, 153183), (2511, 51061)]