51890643

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4139}}^1$

素因数の和:4351

約数の個数: 24

約数和(自身を含む): 86112000

約数和(自身を除く): 34221357

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4139, 4179, 12417, 12537, 28973, 37251, 86919, 260757, 823661, 2470983, 5765627, 7412949, 17296881, 51890643]

約数ペア:

[(1, 51890643), (3, 17296881), (7, 7412949), (9, 5765627), (21, 2470983), (63, 823661), (199, 260757), (597, 86919), (1393, 37251), (1791, 28973), (4139, 12537), (4179, 12417)]