289388631

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 446865408

約数和(自身を除く): 157476777

約数列:

[1, 3, 7, 21, 151, 263, 347, 453, 789, 1041, 1057, 1841, 2429, 3171, 5523, 7287, 39713, 52397, 91261, 119139, 157191, 273783, 277991, 366779, 638827, 833973, 1100337, 1916481, 13780411, 41341233, 96462877, 289388631]

約数ペア:

[(1, 289388631), (3, 96462877), (7, 41341233), (21, 13780411), (151, 1916481), (263, 1100337), (347, 833973), (453, 638827), (789, 366779), (1041, 277991), (1057, 273783), (1841, 157191), (2429, 119139), (3171, 91261), (5523, 52397), (7287, 39713)]