201817413

素因数分解:

$3^4\times 7^1\times {\mathrm{355939}}^1$

素因数の和:355958

約数の個数: 20

約数和(自身を含む): 344549920

約数和(自身を除く): 142732507

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355939, 1067817, 2491573, 3203451, 7474719, 9610353, 22424157, 28831059, 67272471, 201817413]

約数ペア:

[(1, 201817413), (3, 67272471), (7, 28831059), (9, 22424157), (21, 9610353), (27, 7474719), (63, 3203451), (81, 2491573), (189, 1067817), (567, 355939)]