255879

素因数分解:

$3^9\times {\mathrm{13}}^1$

素因数の和:40

約数の個数: 20

約数和(自身を含む): 413336

約数和(自身を除く): 157457

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 3159, 6561, 9477, 19683, 28431, 85293, 255879]

約数ペア:

[(1, 255879), (3, 85293), (9, 28431), (13, 19683), (27, 9477), (39, 6561), (81, 3159), (117, 2187), (243, 1053), (351, 729)]