81902079

素因数分解:

$3^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{811}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 138389160

約数和(自身を除く): 56487081

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 229, 441, 687, 811, 1603, 2061, 2433, 4809, 5677, 7299, 11221, 14427, 17031, 33663, 39739, 51093, 100989, 119217, 185719, 357651, 557157, 1300033, 1671471, 3900099, 9100231, 11700297, 27300693, 81902079]

約数ペア:

[(1, 81902079), (3, 27300693), (7, 11700297), (9, 9100231), (21, 3900099), (49, 1671471), (63, 1300033), (147, 557157), (229, 357651), (441, 185719), (687, 119217), (811, 100989), (1603, 51093), (2061, 39739), (2433, 33663), (4809, 17031), (5677, 14427), (7299, 11221)]