857157

素因数分解:

$3^1\times 7^5\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 24

約数和(自身を含む): 1411776

約数和(自身を除く): 554619

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2401, 2499, 5831, 7203, 16807, 17493, 40817, 50421, 122451, 285719, 857157]

約数ペア:

[(1, 857157), (3, 285719), (7, 122451), (17, 50421), (21, 40817), (49, 17493), (51, 16807), (119, 7203), (147, 5831), (343, 2499), (357, 2401), (833, 1029)]