56786247

素因数分解:

$3^2\times 7^2\times {\mathrm{128767}}^1$

素因数の和:128787

約数の個数: 18

約数和(自身を含む): 95417088

約数和(自身を除く): 38630841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 128767, 386301, 901369, 1158903, 2704107, 6309583, 8112321, 18928749, 56786247]

約数ペア:

[(1, 56786247), (3, 18928749), (7, 8112321), (9, 6309583), (21, 2704107), (49, 1158903), (63, 901369), (147, 386301), (441, 128767)]