1971765

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 3500640

約数和(自身を除く): 1528875

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1019, 1935, 3057, 5095, 9171, 15285, 43817, 45855, 131451, 219085, 394353, 657255, 1971765]

約数ペア:

[(1, 1971765), (3, 657255), (5, 394353), (9, 219085), (15, 131451), (43, 45855), (45, 43817), (129, 15285), (215, 9171), (387, 5095), (645, 3057), (1019, 1935)]