2420061

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 3813984

約数和(自身を除く): 1393923

約数列:

[1, 3, 7, 21, 49, 101, 147, 163, 303, 489, 707, 1141, 2121, 3423, 4949, 7987, 14847, 16463, 23961, 49389, 115241, 345723, 806687, 2420061]

約数ペア:

[(1, 2420061), (3, 806687), (7, 345723), (21, 115241), (49, 49389), (101, 23961), (147, 16463), (163, 14847), (303, 7987), (489, 4949), (707, 3423), (1141, 2121)]