28855239

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 46987776

約数和(自身を除く): 18132537

約数列:

[1, 3, 7, 17, 21, 51, 119, 131, 357, 393, 617, 917, 1851, 2227, 2751, 4319, 6681, 10489, 12957, 15589, 31467, 46767, 73423, 80827, 220269, 242481, 565789, 1374059, 1697367, 4122177, 9618413, 28855239]

約数ペア:

[(1, 28855239), (3, 9618413), (7, 4122177), (17, 1697367), (21, 1374059), (51, 565789), (119, 242481), (131, 220269), (357, 80827), (393, 73423), (617, 46767), (917, 31467), (1851, 15589), (2227, 12957), (2751, 10489), (4319, 6681)]