720682287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{348661}}^1$

素因数の和:348730

約数の個数: 16

約数和(自身を含む): 1054353888

約数和(自身を除く): 333671601

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 348661, 1045983, 4532593, 13597779, 18479033, 55437099, 240227429, 720682287]

約数ペア:

[(1, 720682287), (3, 240227429), (13, 55437099), (39, 18479033), (53, 13597779), (159, 4532593), (689, 1045983), (2067, 348661)]