13900905

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2887}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 24328512

約数和(自身を除く): 10427607

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 2887, 4815, 8661, 14435, 25983, 43305, 129915, 308909, 926727, 1544545, 2780181, 4633635, 13900905]

約数ペア:

[(1, 13900905), (3, 4633635), (5, 2780181), (9, 1544545), (15, 926727), (45, 308909), (107, 129915), (321, 43305), (535, 25983), (963, 14435), (1605, 8661), (2887, 4815)]