15245415

素因数分解:

$3^4\times 5^1\times {\mathrm{37643}}^1$

素因数の和:37660

約数の個数: 20

約数和(自身を含む): 27329544

約数和(自身を除く): 12084129

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 37643, 112929, 188215, 338787, 564645, 1016361, 1693935, 3049083, 5081805, 15245415]

約数ペア:

[(1, 15245415), (3, 5081805), (5, 3049083), (9, 1693935), (15, 1016361), (27, 564645), (45, 338787), (81, 188215), (135, 112929), (405, 37643)]