31539291

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5233}}^1$

素因数の和:5291

約数の個数: 24

約数和(自身を含む): 50120784

約数和(自身を除く): 18581493

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 5233, 6027, 15699, 36631, 109893, 214553, 256417, 643659, 769251, 1501871, 4505613, 10513097, 31539291]

約数ペア:

[(1, 31539291), (3, 10513097), (7, 4505613), (21, 1501871), (41, 769251), (49, 643659), (123, 256417), (147, 214553), (287, 109893), (861, 36631), (2009, 15699), (5233, 6027)]