12900555

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1013}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 22462128

約数和(自身を除く): 9561573

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 1013, 1415, 2547, 3039, 4245, 5065, 9117, 12735, 15195, 45585, 286679, 860037, 1433395, 2580111, 4300185, 12900555]

約数ペア:

[(1, 12900555), (3, 4300185), (5, 2580111), (9, 1433395), (15, 860037), (45, 286679), (283, 45585), (849, 15195), (1013, 12735), (1415, 9117), (2547, 5065), (3039, 4245)]