520049745

素因数分解:

$3^2\times 5^1\times {\mathrm{2887}}^1\times {\mathrm{4003}}^1$

素因数の和:6901

約数の個数: 24

約数和(自身を含む): 901957056

約数和(自身を除く): 381907311

約数列:

[1, 3, 5, 9, 15, 45, 2887, 4003, 8661, 12009, 14435, 20015, 25983, 36027, 43305, 60045, 129915, 180135, 11556661, 34669983, 57783305, 104009949, 173349915, 520049745]

約数ペア:

[(1, 520049745), (3, 173349915), (5, 104009949), (9, 57783305), (15, 34669983), (45, 11556661), (2887, 180135), (4003, 129915), (8661, 60045), (12009, 43305), (14435, 36027), (20015, 25983)]