31190313

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19289}}^1$

素因数の和:19317

約数の個数: 24

約数和(自身を含む): 52777440

約数和(自身を除く): 21587127

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 19289, 57867, 135023, 212179, 405069, 636537, 945161, 1485253, 2835483, 4455759, 10396771, 31190313]

約数ペア:

[(1, 31190313), (3, 10396771), (7, 4455759), (11, 2835483), (21, 1485253), (33, 945161), (49, 636537), (77, 405069), (147, 212179), (231, 135023), (539, 57867), (1617, 19289)]