51257421

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 81916800

約数和(自身を除く): 30659379

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 1107, 2337, 2437, 7011, 7311, 21033, 21933, 46303, 65799, 99917, 138909, 299751, 416727, 899253, 1250181, 1898423, 2697759, 5695269, 17085807, 51257421]

約数ペア:

[(1, 51257421), (3, 17085807), (9, 5695269), (19, 2697759), (27, 1898423), (41, 1250181), (57, 899253), (123, 416727), (171, 299751), (369, 138909), (513, 99917), (779, 65799), (1107, 46303), (2337, 21933), (2437, 21033), (7011, 7311)]