256457961

素因数分解:

$3^3\times {\mathrm{631}}^1\times {\mathrm{15053}}^1$

素因数の和:15693

約数の個数: 16

約数和(自身を含む): 380565120

約数和(自身を除く): 124107159

約数列:

[1, 3, 9, 27, 631, 1893, 5679, 15053, 17037, 45159, 135477, 406431, 9498443, 28495329, 85485987, 256457961]

約数ペア:

[(1, 256457961), (3, 85485987), (9, 28495329), (27, 9498443), (631, 406431), (1893, 135477), (5679, 45159), (15053, 17037)]