3920215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 5193216

約数和(自身を除く): 1273001

約数列:

[1, 5, 13, 41, 65, 205, 533, 1471, 2665, 7355, 19123, 60311, 95615, 301555, 784043, 3920215]

約数ペア:

[(1, 3920215), (5, 784043), (13, 301555), (41, 95615), (65, 60311), (205, 19123), (533, 7355), (1471, 2665)]