2680605

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 4717440

約数和(自身を除く): 2036835

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 839, 1065, 2517, 3195, 4195, 7551, 12585, 37755, 59569, 178707, 297845, 536121, 893535, 2680605]

約数ペア:

[(1, 2680605), (3, 893535), (5, 536121), (9, 297845), (15, 178707), (45, 59569), (71, 37755), (213, 12585), (355, 7551), (639, 4195), (839, 3195), (1065, 2517)]