31894191

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2797}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 52960544

約数和(自身を除く): 21066353

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 2797, 3801, 8391, 11403, 19579, 25173, 58737, 176211, 506257, 1518771, 3543799, 4556313, 10631397, 31894191]

約数ペア:

[(1, 31894191), (3, 10631397), (7, 4556313), (9, 3543799), (21, 1518771), (63, 506257), (181, 176211), (543, 58737), (1267, 25173), (1629, 19579), (2797, 11403), (3801, 8391)]