57015009

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{1721}}^1$

素因数の和:2142

約数の個数: 20

約数和(自身を含む): 85428420

約数和(自身を除く): 28413411

約数列:

[1, 3, 9, 27, 81, 409, 1227, 1721, 3681, 5163, 11043, 15489, 33129, 46467, 139401, 703889, 2111667, 6335001, 19005003, 57015009]

約数ペア:

[(1, 57015009), (3, 19005003), (9, 6335001), (27, 2111667), (81, 703889), (409, 139401), (1227, 46467), (1721, 33129), (3681, 15489), (5163, 11043)]