128203587

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{206447}}^1$

素因数の和:206479

約数の個数: 16

約数和(自身を含む): 198190080

約数和(自身を除く): 69986493

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 206447, 619341, 1858023, 4748281, 5574069, 14244843, 42734529, 128203587]

約数ペア:

[(1, 128203587), (3, 42734529), (9, 14244843), (23, 5574069), (27, 4748281), (69, 1858023), (207, 619341), (621, 206447)]