13905905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 18051600

約数和(自身を除く): 4145695

約数列:

[1, 5, 13, 65, 349, 613, 1745, 3065, 4537, 7969, 22685, 39845, 213937, 1069685, 2781181, 13905905]

約数ペア:

[(1, 13905905), (5, 2781181), (13, 1069685), (65, 213937), (349, 39845), (613, 22685), (1745, 7969), (3065, 4537)]