13730031

素因数分解:

$3^2\times 7^1\times {\mathrm{217937}}^1$

素因数の和:217950

約数の個数: 12

約数和(自身を含む): 22665552

約数和(自身を除く): 8935521

約数列:

[1, 3, 7, 9, 21, 63, 217937, 653811, 1525559, 1961433, 4576677, 13730031]

約数ペア:

[(1, 13730031), (3, 4576677), (7, 1961433), (9, 1525559), (21, 653811), (63, 217937)]