12621921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8747}}^1$

素因数の和:8800

約数の個数: 16

約数和(自身を含む): 18615744

約数和(自身を除く): 5993823

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 8747, 26241, 113711, 323639, 341133, 970917, 4207307, 12621921]

約数ペア:

[(1, 12621921), (3, 4207307), (13, 970917), (37, 341133), (39, 323639), (111, 113711), (481, 26241), (1443, 8747)]