69872721

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{3323}}^1$

素因数の和:3532

約数の個数: 16

約数和(自身を含む): 95943936

約数和(自身を除く): 26071215

約数列:

[1, 3, 43, 129, 163, 489, 3323, 7009, 9969, 21027, 142889, 428667, 541649, 1624947, 23290907, 69872721]

約数ペア:

[(1, 69872721), (3, 23290907), (43, 1624947), (129, 541649), (163, 428667), (489, 142889), (3323, 21027), (7009, 9969)]