81446589

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2633}}^1$

素因数の和:3137

約数の個数: 24

約数和(自身を含む): 134776512

約数和(自身を除く): 53329923

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 2633, 3437, 4419, 7899, 10311, 18431, 23697, 30933, 55293, 165879, 1292803, 3878409, 9049621, 11635227, 27148863, 81446589]

約数ペア:

[(1, 81446589), (3, 27148863), (7, 11635227), (9, 9049621), (21, 3878409), (63, 1292803), (491, 165879), (1473, 55293), (2633, 30933), (3437, 23697), (4419, 18431), (7899, 10311)]