31243257

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 47044608

約数和(自身を除く): 15801351

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 991, 1017, 2973, 3503, 8919, 10509, 30721, 31527, 92163, 111983, 276489, 335949, 1007847, 3471473, 10414419, 31243257]

約数ペア:

[(1, 31243257), (3, 10414419), (9, 3471473), (31, 1007847), (93, 335949), (113, 276489), (279, 111983), (339, 92163), (991, 31527), (1017, 30721), (2973, 10509), (3503, 8919)]