13857885

素因数分解:

$3^4\times 5^1\times {\mathrm{34217}}^1$

素因数の和:34234

約数の個数: 20

約数和(自身を含む): 24842268

約数和(自身を除く): 10984383

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 34217, 102651, 171085, 307953, 513255, 923859, 1539765, 2771577, 4619295, 13857885]

約数ペア:

[(1, 13857885), (3, 4619295), (5, 2771577), (9, 1539765), (15, 923859), (27, 513255), (45, 307953), (81, 171085), (135, 102651), (405, 34217)]