80991621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{529357}}^1$

素因数の和:529380

約数の個数: 12

約数和(自身を含む): 123869772

約数和(自身を除く): 42878151

約数列:

[1, 3, 9, 17, 51, 153, 529357, 1588071, 4764213, 8999069, 26997207, 80991621]

約数ペア:

[(1, 80991621), (3, 26997207), (9, 8999069), (17, 4764213), (51, 1588071), (153, 529357)]