315027

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 505440

約数和(自身を除く): 190413

約数列:

[1, 3, 9, 17, 29, 51, 71, 87, 153, 213, 261, 493, 639, 1207, 1479, 2059, 3621, 4437, 6177, 10863, 18531, 35003, 105009, 315027]

約数ペア:

[(1, 315027), (3, 105009), (9, 35003), (17, 18531), (29, 10863), (51, 6177), (71, 4437), (87, 3621), (153, 2059), (213, 1479), (261, 1207), (493, 639)]