31187286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{133279}}^1$

素因数の和:133300

約数の個数: 24

約数和(自身を含む): 72770880

約数和(自身を除く): 41583594

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 133279, 266558, 399837, 799674, 1199511, 1732627, 2399022, 3465254, 5197881, 10395762, 15593643, 31187286]

約数ペア:

[(1, 31187286), (2, 15593643), (3, 10395762), (6, 5197881), (9, 3465254), (13, 2399022), (18, 1732627), (26, 1199511), (39, 799674), (78, 399837), (117, 266558), (234, 133279)]