257367051

素因数分解:

$3^4\times {\mathrm{877}}^1\times {\mathrm{3623}}^1$

素因数の和:4512

約数の個数: 20

約数和(自身を含む): 385006512

約数和(自身を除く): 127639461

約数列:

[1, 3, 9, 27, 81, 877, 2631, 3623, 7893, 10869, 23679, 32607, 71037, 97821, 293463, 3177371, 9532113, 28596339, 85789017, 257367051]

約数ペア:

[(1, 257367051), (3, 85789017), (9, 28596339), (27, 9532113), (81, 3177371), (877, 293463), (2631, 97821), (3623, 71037), (7893, 32607), (10869, 23679)]