2556963

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{787}}^1$

素因数の和:831

約数の個数: 18

約数和(自身を含む): 3902964

約数和(自身を除く): 1346001

約数列:

[1, 3, 9, 19, 57, 171, 361, 787, 1083, 2361, 3249, 7083, 14953, 44859, 134577, 284107, 852321, 2556963]

約数ペア:

[(1, 2556963), (3, 852321), (9, 284107), (19, 134577), (57, 44859), (171, 14953), (361, 7083), (787, 3249), (1083, 2361)]