25999641

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 38887680

約数和(自身を除く): 12888039

約数列:

[1, 3, 9, 37, 111, 163, 333, 479, 489, 1437, 1467, 4311, 6031, 17723, 18093, 53169, 54279, 78077, 159507, 234231, 702693, 2888849, 8666547, 25999641]

約数ペア:

[(1, 25999641), (3, 8666547), (9, 2888849), (37, 702693), (111, 234231), (163, 159507), (333, 78077), (479, 54279), (489, 53169), (1437, 18093), (1467, 17723), (4311, 6031)]