995631

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 1666224

約数和(自身を除く): 670593

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 521, 637, 1563, 1911, 3647, 6773, 10941, 20319, 25529, 47411, 76587, 142233, 331877, 995631]

約数ペア:

[(1, 995631), (3, 331877), (7, 142233), (13, 76587), (21, 47411), (39, 25529), (49, 20319), (91, 10941), (147, 6773), (273, 3647), (521, 1911), (637, 1563)]