11181505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 13869504

約数和(自身を除く): 2687999

約数列:

[1, 5, 43, 131, 215, 397, 655, 1985, 5633, 17071, 28165, 52007, 85355, 260035, 2236301, 11181505]

約数ペア:

[(1, 11181505), (5, 2236301), (43, 260035), (131, 85355), (215, 52007), (397, 28165), (655, 17071), (1985, 5633)]