858786219

素因数分解:

$3^4\times {\mathrm{2969}}^1\times {\mathrm{3571}}^1$

素因数の和:6552

約数の個数: 20

約数和(自身を含む): 1283669640

約数和(自身を除く): 424883421

約数列:

[1, 3, 9, 27, 81, 2969, 3571, 8907, 10713, 26721, 32139, 80163, 96417, 240489, 289251, 10602299, 31806897, 95420691, 286262073, 858786219]

約数ペア:

[(1, 858786219), (3, 286262073), (9, 95420691), (27, 31806897), (81, 10602299), (2969, 289251), (3571, 240489), (8907, 96417), (10713, 80163), (26721, 32139)]