30988413

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{2003}}^1$

素因数の和:2206

約数の個数: 20

約数和(自身を含む): 46556928

約数和(自身を除く): 15568515

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 2003, 5157, 6009, 15471, 18027, 54081, 162243, 382573, 1147719, 3443157, 10329471, 30988413]

約数ペア:

[(1, 30988413), (3, 10329471), (9, 3443157), (27, 1147719), (81, 382573), (191, 162243), (573, 54081), (1719, 18027), (2003, 15471), (5157, 6009)]