12967899

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4643}}^1$

素因数の和:4679

約数の個数: 24

約数和(自身を含む): 21176640

約数和(自身を除く): 8208741

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4643, 13929, 32501, 88217, 97503, 227507, 264651, 617519, 682521, 1852557, 4322633, 12967899]

約数ペア:

[(1, 12967899), (3, 4322633), (7, 1852557), (19, 682521), (21, 617519), (49, 264651), (57, 227507), (133, 97503), (147, 88217), (399, 32501), (931, 13929), (2793, 4643)]