28951731

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{11131}}^1$

素因数の和:11171

約数の個数: 18

約数和(自身を含む): 44427812

約数和(自身を除く): 15476081

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 11131, 33393, 100179, 189227, 567681, 1703043, 3216859, 9650577, 28951731]

約数ペア:

[(1, 28951731), (3, 9650577), (9, 3216859), (17, 1703043), (51, 567681), (153, 189227), (289, 100179), (867, 33393), (2601, 11131)]