216821416689

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{3402241}}^1$

素因数の和:3402417

約数の個数: 24

約数和(自身を含む): 320749766792

約数和(自身を除く): 103928350103

約数列:

[1, 3, 9, 73, 97, 219, 291, 657, 873, 7081, 21243, 63729, 3402241, 10206723, 30620169, 248363593, 330017377, 745090779, 990052131, 2235272337, 2970156393, 24091268521, 72273805563, 216821416689]

約数ペア:

[(1, 216821416689), (3, 72273805563), (9, 24091268521), (73, 2970156393), (97, 2235272337), (219, 990052131), (291, 745090779), (657, 330017377), (873, 248363593), (7081, 30620169), (21243, 10206723), (63729, 3402241)]