2881215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 5113680

約数和(自身を除く): 2232465

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1489, 1935, 4467, 7445, 13401, 22335, 64027, 67005, 192081, 320135, 576243, 960405, 2881215]

約数ペア:

[(1, 2881215), (3, 960405), (5, 576243), (9, 320135), (15, 192081), (43, 67005), (45, 64027), (129, 22335), (215, 13401), (387, 7445), (645, 4467), (1489, 1935)]