128561661

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{5417}}^1$

素因数の和:5722

約数の個数: 20

約数和(自身を含む): 192739932

約数和(自身を除く): 64178271

約数列:

[1, 3, 9, 27, 81, 293, 879, 2637, 5417, 7911, 16251, 23733, 48753, 146259, 438777, 1587181, 4761543, 14284629, 42853887, 128561661]

約数ペア:

[(1, 128561661), (3, 42853887), (9, 14284629), (27, 4761543), (81, 1587181), (293, 438777), (879, 146259), (2637, 48753), (5417, 23733), (7911, 16251)]