12857521797

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{347341}}^1$

素因数の和:347810

約数の個数: 20

約数和(自身を含む): 19248998956

約数和(自身を除く): 6391477159

約数列:

[1, 3, 9, 27, 81, 457, 1371, 4113, 12339, 37017, 347341, 1042023, 3126069, 9378207, 28134621, 158734837, 476204511, 1428613533, 4285840599, 12857521797]

約数ペア:

[(1, 12857521797), (3, 4285840599), (9, 1428613533), (27, 476204511), (81, 158734837), (457, 28134621), (1371, 9378207), (4113, 3126069), (12339, 1042023), (37017, 347341)]