20151717

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 27994752

約数和(自身を除く): 7843035

約数列:

[1, 3, 37, 71, 111, 213, 2557, 2627, 7671, 7881, 94609, 181547, 283827, 544641, 6717239, 20151717]

約数ペア:

[(1, 20151717), (3, 6717239), (37, 544641), (71, 283827), (111, 181547), (213, 94609), (2557, 7881), (2627, 7671)]