238971855

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2273}}^1$

素因数の和:2487

約数の個数: 32

約数和(自身を含む): 393820416

約数和(自身を除く): 154848561

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 489, 645, 815, 2273, 2445, 6819, 7009, 11365, 21027, 34095, 35045, 97739, 105135, 293217, 370499, 488695, 1111497, 1466085, 1852495, 5557485, 15931457, 47794371, 79657285, 238971855]

約数ペア:

[(1, 238971855), (3, 79657285), (5, 47794371), (15, 15931457), (43, 5557485), (129, 1852495), (163, 1466085), (215, 1111497), (489, 488695), (645, 370499), (815, 293217), (2273, 105135), (2445, 97739), (6819, 35045), (7009, 34095), (11365, 21027)]