31331079

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20599}}^1$

素因数の和:20631

約数の個数: 18

約数和(自身を含む): 49007400

約数和(自身を除く): 17676321

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20599, 61797, 185391, 267787, 803361, 2410083, 3481231, 10443693, 31331079]

約数ペア:

[(1, 31331079), (3, 10443693), (9, 3481231), (13, 2410083), (39, 803361), (117, 267787), (169, 185391), (507, 61797), (1521, 20599)]