38240721

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 58915200

約数和(自身を除く): 20674479

約数列:

[1, 3, 9, 27, 37, 101, 111, 303, 333, 379, 909, 999, 1137, 2727, 3411, 3737, 10233, 11211, 14023, 33633, 38279, 42069, 100899, 114837, 126207, 344511, 378621, 1033533, 1416323, 4248969, 12746907, 38240721]

約数ペア:

[(1, 38240721), (3, 12746907), (9, 4248969), (27, 1416323), (37, 1033533), (101, 378621), (111, 344511), (303, 126207), (333, 114837), (379, 100899), (909, 42069), (999, 38279), (1137, 33633), (2727, 14023), (3411, 11211), (3737, 10233)]