31638879

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 47550464

約数和(自身を除く): 15911585

約数列:

[1, 3, 9, 31, 93, 151, 279, 453, 751, 1359, 2253, 4681, 6759, 14043, 23281, 42129, 69843, 113401, 209529, 340203, 1020609, 3515431, 10546293, 31638879]

約数ペア:

[(1, 31638879), (3, 10546293), (9, 3515431), (31, 1020609), (93, 340203), (151, 209529), (279, 113401), (453, 69843), (751, 42129), (1359, 23281), (2253, 14043), (4681, 6759)]