56784159

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{18947}}^1$

素因数の和:18996

約数の個数: 20

約数和(自身を含む): 87122904

約数和(自身を除く): 30338745

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 18947, 56841, 170523, 511569, 701039, 1534707, 2103117, 6309351, 18928053, 56784159]

約数ペア:

[(1, 56784159), (3, 18928053), (9, 6309351), (27, 2103117), (37, 1534707), (81, 701039), (111, 511569), (333, 170523), (999, 56841), (2997, 18947)]