211379211

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{503}}^1\times {\mathrm{881}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 312058656

約数和(自身を除く): 100679445

約数列:

[1, 3, 9, 53, 159, 477, 503, 881, 1509, 2643, 4527, 7929, 26659, 46693, 79977, 140079, 239931, 420237, 443143, 1329429, 3988287, 23486579, 70459737, 211379211]

約数ペア:

[(1, 211379211), (3, 70459737), (9, 23486579), (53, 3988287), (159, 1329429), (477, 443143), (503, 420237), (881, 239931), (1509, 140079), (2643, 79977), (4527, 46693), (7929, 26659)]