1888402491

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{6863}}^1$

素因数の和:6997

約数の個数: 40

約数和(自身を含む): 2923514880

約数和(自身を除く): 1035112389

約数列:

[1, 3, 9, 27, 43, 79, 81, 129, 237, 387, 711, 1161, 2133, 3397, 3483, 6399, 6863, 10191, 20589, 30573, 61767, 91719, 185301, 275157, 295109, 542177, 555903, 885327, 1626531, 2655981, 4879593, 7967943, 14638779, 23313611, 23903829, 43916337, 69940833, 209822499, 629467497, 1888402491]

約数ペア:

[(1, 1888402491), (3, 629467497), (9, 209822499), (27, 69940833), (43, 43916337), (79, 23903829), (81, 23313611), (129, 14638779), (237, 7967943), (387, 4879593), (711, 2655981), (1161, 1626531), (2133, 885327), (3397, 555903), (3483, 542177), (6399, 295109), (6863, 275157), (10191, 185301), (20589, 91719), (30573, 61767)]