31813851

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 14945829

約数列:

[1, 3, 17, 43, 51, 89, 129, 163, 267, 489, 731, 1513, 2193, 2771, 3827, 4539, 7009, 8313, 11481, 14507, 21027, 43521, 65059, 119153, 195177, 246619, 357459, 623801, 739857, 1871403, 10604617, 31813851]

約数ペア:

[(1, 31813851), (3, 10604617), (17, 1871403), (43, 739857), (51, 623801), (89, 357459), (129, 246619), (163, 195177), (267, 119153), (489, 65059), (731, 43521), (1513, 21027), (2193, 14507), (2771, 11481), (3827, 8313), (4539, 7009)]