31207239

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1307}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 51692160

約数和(自身を除く): 20484921

約数列:

[1, 3, 7, 9, 21, 63, 379, 1137, 1307, 2653, 3411, 3921, 7959, 9149, 11763, 23877, 27447, 82341, 495353, 1486059, 3467471, 4458177, 10402413, 31207239]

約数ペア:

[(1, 31207239), (3, 10402413), (7, 4458177), (9, 3467471), (21, 1486059), (63, 495353), (379, 82341), (1137, 27447), (1307, 23877), (2653, 11763), (3411, 9149), (3921, 7959)]