85312215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44089}}^1$

素因数の和:44143

約数の個数: 24

約数和(自身を含む): 151316880

約数和(自身を除く): 66004665

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 44089, 132267, 220445, 396801, 661335, 1895827, 1984005, 5687481, 9479135, 17062443, 28437405, 85312215]

約数ペア:

[(1, 85312215), (3, 28437405), (5, 17062443), (9, 9479135), (15, 5687481), (43, 1984005), (45, 1895827), (129, 661335), (215, 396801), (387, 220445), (645, 132267), (1935, 44089)]