31341219

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8831}}^1$

素因数の和:8867

約数の個数: 24

約数和(自身を含む): 51720192

約数和(自身を除く): 20378973

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 8831, 26493, 61817, 114803, 185451, 344409, 803621, 1492439, 2410863, 4477317, 10447073, 31341219]

約数ペア:

[(1, 31341219), (3, 10447073), (7, 4477317), (13, 2410863), (21, 1492439), (39, 803621), (91, 344409), (169, 185451), (273, 114803), (507, 61817), (1183, 26493), (3549, 8831)]