1261251

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:712

約数の個数: 20

約数和(自身を含む): 1968912

約数和(自身を除く): 707661

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 677, 1863, 2031, 6093, 15571, 18279, 46713, 54837, 140139, 420417, 1261251]

約数ペア:

[(1, 1261251), (3, 420417), (9, 140139), (23, 54837), (27, 46713), (69, 18279), (81, 15571), (207, 6093), (621, 2031), (677, 1863)]