1315895

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 1896048

約数和(自身を除く): 580153

約数列:

[1, 5, 7, 35, 41, 49, 131, 205, 245, 287, 655, 917, 1435, 2009, 4585, 5371, 6419, 10045, 26855, 32095, 37597, 187985, 263179, 1315895]

約数ペア:

[(1, 1315895), (5, 263179), (7, 187985), (35, 37597), (41, 32095), (49, 26855), (131, 10045), (205, 6419), (245, 5371), (287, 4585), (655, 2009), (917, 1435)]