12768147

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 21172320

約数和(自身を除く): 8404173

約数列:

[1, 3, 7, 9, 21, 63, 389, 521, 1167, 1563, 2723, 3501, 3647, 4689, 8169, 10941, 24507, 32823, 202669, 608007, 1418683, 1824021, 4256049, 12768147]

約数ペア:

[(1, 12768147), (3, 4256049), (7, 1824021), (9, 1418683), (21, 608007), (63, 202669), (389, 32823), (521, 24507), (1167, 10941), (1563, 8169), (2723, 4689), (3501, 3647)]