208888322013

素因数分解:

$3^4\times 7^1\times {\mathrm{368409739}}^1$

素因数の和:368409758

約数の個数: 20

約数和(自身を含む): 356620628320

約数和(自身を除く): 147732306307

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 368409739, 1105229217, 2578868173, 3315687651, 7736604519, 9947062953, 23209813557, 29841188859, 69629440671, 208888322013]

約数ペア:

[(1, 208888322013), (3, 69629440671), (7, 29841188859), (9, 23209813557), (21, 9947062953), (27, 7736604519), (63, 3315687651), (81, 2578868173), (189, 1105229217), (567, 368409739)]