13005275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 16915584

約数和(自身を除く): 3910309

約数列:

[1, 5, 25, 31, 97, 155, 173, 485, 775, 865, 2425, 3007, 4325, 5363, 15035, 16781, 26815, 75175, 83905, 134075, 419525, 520211, 2601055, 13005275]

約数ペア:

[(1, 13005275), (5, 2601055), (25, 520211), (31, 419525), (97, 134075), (155, 83905), (173, 75175), (485, 26815), (775, 16781), (865, 15035), (2425, 5363), (3007, 4325)]