8908641

素因数分解:

$3^2\times 7^2\times {\mathrm{20201}}^1$

素因数の和:20221

約数の個数: 18

約数和(自身を含む): 14969682

約数和(自身を除く): 6061041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20201, 60603, 141407, 181809, 424221, 989849, 1272663, 2969547, 8908641]

約数ペア:

[(1, 8908641), (3, 2969547), (7, 1272663), (9, 989849), (21, 424221), (49, 181809), (63, 141407), (147, 60603), (441, 20201)]