31289451

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 43975680

約数和(自身を除く): 12686229

約数列:

[1, 3, 47, 53, 79, 141, 159, 237, 2491, 2809, 3713, 4187, 7473, 8427, 11139, 12561, 132023, 196789, 221911, 396069, 590367, 665733, 10429817, 31289451]

約数ペア:

[(1, 31289451), (3, 10429817), (47, 665733), (53, 590367), (79, 396069), (141, 221911), (159, 196789), (237, 132023), (2491, 12561), (2809, 11139), (3713, 8427), (4187, 7473)]