13521501

素因数分解:

$3^2\times 7^2\times {\mathrm{30661}}^1$

素因数の和:30681

約数の個数: 18

約数和(自身を含む): 22720542

約数和(自身を除く): 9199041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30661, 91983, 214627, 275949, 643881, 1502389, 1931643, 4507167, 13521501]

約数ペア:

[(1, 13521501), (3, 4507167), (7, 1931643), (9, 1502389), (21, 643881), (49, 275949), (63, 214627), (147, 91983), (441, 30661)]