120921215

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{5431}}^1$

素因数の和:5570

約数の個数: 16

約数和(自身を含む): 149532096

約数和(自身を除く): 28610881

約数列:

[1, 5, 61, 73, 305, 365, 4453, 5431, 22265, 27155, 331291, 396463, 1656455, 1982315, 24184243, 120921215]

約数ペア:

[(1, 120921215), (5, 24184243), (61, 1982315), (73, 1656455), (305, 396463), (365, 331291), (4453, 27155), (5431, 22265)]