2120643

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 3590496

約数和(自身を除く): 1469853

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 821, 861, 2463, 2583, 5747, 7389, 17241, 33661, 51723, 100983, 235627, 302949, 706881, 2120643]

約数ペア:

[(1, 2120643), (3, 706881), (7, 302949), (9, 235627), (21, 100983), (41, 51723), (63, 33661), (123, 17241), (287, 7389), (369, 5747), (821, 2583), (861, 2463)]