72497481

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{1229}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 112687680

約数和(自身を除く): 40190199

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 1229, 2809, 3687, 8427, 8603, 19663, 25809, 58989, 65137, 195411, 455959, 1367877, 3452261, 10356783, 24165827, 72497481]

約数ペア:

[(1, 72497481), (3, 24165827), (7, 10356783), (21, 3452261), (53, 1367877), (159, 455959), (371, 195411), (1113, 65137), (1229, 58989), (2809, 25809), (3687, 19663), (8427, 8603)]