38949615

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20129}}^1$

素因数の和:20183

約数の個数: 24

約数和(自身を含む): 69086160

約数和(自身を除く): 30136545

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20129, 60387, 100645, 181161, 301935, 865547, 905805, 2596641, 4327735, 7789923, 12983205, 38949615]

約数ペア:

[(1, 38949615), (3, 12983205), (5, 7789923), (9, 4327735), (15, 2596641), (43, 905805), (45, 865547), (129, 301935), (215, 181161), (387, 100645), (645, 60387), (1935, 20129)]