191728521

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{1319}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 286640640

約数和(自身を除く): 94912119

約数列:

[1, 3, 9, 31, 93, 279, 521, 1319, 1563, 3957, 4689, 11871, 16151, 40889, 48453, 122667, 145359, 368001, 687199, 2061597, 6184791, 21303169, 63909507, 191728521]

約数ペア:

[(1, 191728521), (3, 63909507), (9, 21303169), (31, 6184791), (93, 2061597), (279, 687199), (521, 368001), (1319, 145359), (1563, 122667), (3957, 48453), (4689, 40889), (11871, 16151)]