31139145

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14723}}^1$

素因数の和:14781

約数の個数: 24

約数和(自身を含む): 55126656

約数和(自身を除く): 23987511

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 14723, 44169, 73615, 132507, 220845, 662535, 691981, 2075943, 3459905, 6227829, 10379715, 31139145]

約数ペア:

[(1, 31139145), (3, 10379715), (5, 6227829), (9, 3459905), (15, 2075943), (45, 691981), (47, 662535), (141, 220845), (235, 132507), (423, 73615), (705, 44169), (2115, 14723)]