28763631

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18911}}^1$

素因数の和:18943

約数の個数: 18

約数和(自身を含む): 44991648

約数和(自身を除く): 16228017

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18911, 56733, 170199, 245843, 737529, 2212587, 3195959, 9587877, 28763631]

約数ペア:

[(1, 28763631), (3, 9587877), (9, 3195959), (13, 2212587), (39, 737529), (117, 245843), (169, 170199), (507, 56733), (1521, 18911)]