3959985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 6676992

約数和(自身を除く): 2717007

約数列:

[1, 3, 5, 15, 41, 47, 123, 137, 141, 205, 235, 411, 615, 685, 705, 1927, 2055, 5617, 5781, 6439, 9635, 16851, 19317, 28085, 28905, 32195, 84255, 96585, 263999, 791997, 1319995, 3959985]

約数ペア:

[(1, 3959985), (3, 1319995), (5, 791997), (15, 263999), (41, 96585), (47, 84255), (123, 32195), (137, 28905), (141, 28085), (205, 19317), (235, 16851), (411, 9635), (615, 6439), (685, 5781), (705, 5617), (1927, 2055)]