2021263905

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1\times {\mathrm{3643}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 3307935744

約数和(自身を除く): 1286671839

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 787, 2361, 3643, 3935, 10929, 11805, 18215, 36989, 54645, 110967, 171221, 184945, 513663, 554835, 856105, 2568315, 2867041, 8601123, 14335205, 43005615, 134750927, 404252781, 673754635, 2021263905]

約数ペア:

[(1, 2021263905), (3, 673754635), (5, 404252781), (15, 134750927), (47, 43005615), (141, 14335205), (235, 8601123), (705, 2867041), (787, 2568315), (2361, 856105), (3643, 554835), (3935, 513663), (10929, 184945), (11805, 171221), (18215, 110967), (36989, 54645)]