27991233

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2447}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 42771456

約数和(自身を除く): 14780223

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 2447, 3813, 7341, 11439, 22023, 75857, 100327, 227571, 300981, 682713, 902943, 3110137, 9330411, 27991233]

約数ペア:

[(1, 27991233), (3, 9330411), (9, 3110137), (31, 902943), (41, 682713), (93, 300981), (123, 227571), (279, 100327), (369, 75857), (1271, 22023), (2447, 11439), (3813, 7341)]