3905415

素因数分解:

$3^4\times 5^1\times {\mathrm{9643}}^1$

素因数の和:9660

約数の個数: 20

約数和(自身を含む): 7001544

約数和(自身を除く): 3096129

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9643, 28929, 48215, 86787, 144645, 260361, 433935, 781083, 1301805, 3905415]

約数ペア:

[(1, 3905415), (3, 1301805), (5, 781083), (9, 433935), (15, 260361), (27, 144645), (45, 86787), (81, 48215), (135, 28929), (405, 9643)]