2165985

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 3793920

約数和(自身を除く): 1627935

約数列:

[1, 3, 5, 9, 15, 45, 127, 379, 381, 635, 1137, 1143, 1895, 1905, 3411, 5685, 5715, 17055, 48133, 144399, 240665, 433197, 721995, 2165985]

約数ペア:

[(1, 2165985), (3, 721995), (5, 433197), (9, 240665), (15, 144399), (45, 48133), (127, 17055), (379, 5715), (381, 5685), (635, 3411), (1137, 1905), (1143, 1895)]