81579078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647453}}^1$

素因数の和:647468

約数の個数: 24

約数和(自身を含む): 202005648

約数和(自身を除く): 120426570

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647453, 1294906, 1942359, 3884718, 4532171, 5827077, 9064342, 11654154, 13596513, 27193026, 40789539, 81579078]

約数ペア:

[(1, 81579078), (2, 40789539), (3, 27193026), (6, 13596513), (7, 11654154), (9, 9064342), (14, 5827077), (18, 4532171), (21, 3884718), (42, 1942359), (63, 1294906), (126, 647453)]