31399191

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 49548800

約数和(自身を除く): 18149609

約数列:

[1, 3, 9, 19, 27, 57, 97, 171, 291, 513, 631, 873, 1843, 1893, 2619, 5529, 5679, 11989, 16587, 17037, 35967, 49761, 61207, 107901, 183621, 323703, 550863, 1162933, 1652589, 3488799, 10466397, 31399191]

約数ペア:

[(1, 31399191), (3, 10466397), (9, 3488799), (19, 1652589), (27, 1162933), (57, 550863), (97, 323703), (171, 183621), (291, 107901), (513, 61207), (631, 49761), (873, 35967), (1843, 17037), (1893, 16587), (2619, 11989), (5529, 5679)]