31331781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{953}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 48963096

約数和(自身を除く): 17631315

約数列:

[1, 3, 9, 13, 39, 117, 281, 843, 953, 2529, 2859, 3653, 8577, 10959, 12389, 32877, 37167, 111501, 267793, 803379, 2410137, 3481309, 10443927, 31331781]

約数ペア:

[(1, 31331781), (3, 10443927), (9, 3481309), (13, 2410137), (39, 803379), (117, 267793), (281, 111501), (843, 37167), (953, 32877), (2529, 12389), (2859, 10959), (3653, 8577)]