12398985

素因数分解:

$3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 21577920

約数和(自身を除く): 9178935

約数列:

[1, 3, 5, 9, 15, 45, 379, 727, 1137, 1895, 2181, 3411, 3635, 5685, 6543, 10905, 17055, 32715, 275533, 826599, 1377665, 2479797, 4132995, 12398985]

約数ペア:

[(1, 12398985), (3, 4132995), (5, 2479797), (9, 1377665), (15, 826599), (45, 275533), (379, 32715), (727, 17055), (1137, 10905), (1895, 6543), (2181, 5685), (3411, 3635)]