81356058

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645683}}^1$

素因数の和:645698

約数の個数: 24

約数和(自身を含む): 201453408

約数和(自身を除く): 120097350

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645683, 1291366, 1937049, 3874098, 4519781, 5811147, 9039562, 11622294, 13559343, 27118686, 40678029, 81356058]

約数ペア:

[(1, 81356058), (2, 40678029), (3, 27118686), (6, 13559343), (7, 11622294), (9, 9039562), (14, 5811147), (18, 4519781), (21, 3874098), (42, 1937049), (63, 1291366), (126, 645683)]