31093209

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13339}}^1$

素因数の和:13389

約数の個数: 24

約数和(自身を含む): 52719680

約数和(自身を除く): 21626471

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 13339, 40017, 93373, 120051, 280119, 493543, 840357, 1480629, 3454801, 4441887, 10364403, 31093209]

約数ペア:

[(1, 31093209), (3, 10364403), (7, 4441887), (9, 3454801), (21, 1480629), (37, 840357), (63, 493543), (111, 280119), (259, 120051), (333, 93373), (777, 40017), (2331, 13339)]