16665993

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3373}}^1$

素因数の和:3446

約数の個数: 20

約数和(自身を含む): 25311748

約数和(自身を除く): 8645755

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3373, 4941, 10119, 30357, 91071, 205753, 273213, 617259, 1851777, 5555331, 16665993]

約数ペア:

[(1, 16665993), (3, 5555331), (9, 1851777), (27, 617259), (61, 273213), (81, 205753), (183, 91071), (549, 30357), (1647, 10119), (3373, 4941)]