257751531

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{84481}}^1$

素因数の和:84603

約数の個数: 16

約数和(自身を含む): 385237920

約数和(自身を除く): 127486389

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 84481, 253443, 760329, 2280987, 9546353, 28639059, 85917177, 257751531]

約数ペア:

[(1, 257751531), (3, 85917177), (9, 28639059), (27, 9546353), (113, 2280987), (339, 760329), (1017, 253443), (3051, 84481)]