13187205

素因数分解:

$3^4\times 5^1\times {\mathrm{32561}}^1$

素因数の和:32578

約数の個数: 20

約数和(自身を含む): 23640012

約数和(自身を除く): 10452807

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32561, 97683, 162805, 293049, 488415, 879147, 1465245, 2637441, 4395735, 13187205]

約数ペア:

[(1, 13187205), (3, 4395735), (5, 2637441), (9, 1465245), (15, 879147), (27, 488415), (45, 293049), (81, 162805), (135, 97683), (405, 32561)]