13856715

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4337}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 24362208

約数和(自身を除く): 10505493

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 4337, 13011, 21685, 39033, 65055, 195165, 307927, 923781, 1539635, 2771343, 4618905, 13856715]

約数ペア:

[(1, 13856715), (3, 4618905), (5, 2771343), (9, 1539635), (15, 923781), (45, 307927), (71, 195165), (213, 65055), (355, 39033), (639, 21685), (1065, 13011), (3195, 4337)]