2021805

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 3538080

約数和(自身を除く): 1516275

約数列:

[1, 3, 5, 9, 15, 45, 179, 251, 537, 753, 895, 1255, 1611, 2259, 2685, 3765, 8055, 11295, 44929, 134787, 224645, 404361, 673935, 2021805]

約数ペア:

[(1, 2021805), (3, 673935), (5, 404361), (9, 224645), (15, 134787), (45, 44929), (179, 11295), (251, 8055), (537, 3765), (753, 2685), (895, 2259), (1255, 1611)]