3870387

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 5841264

約数和(自身を除く): 1970877

約数列:

[1, 3, 9, 43, 73, 129, 137, 219, 387, 411, 657, 1233, 3139, 5891, 9417, 10001, 17673, 28251, 30003, 53019, 90009, 430043, 1290129, 3870387]

約数ペア:

[(1, 3870387), (3, 1290129), (9, 430043), (43, 90009), (73, 53019), (129, 30003), (137, 28251), (219, 17673), (387, 10001), (411, 9417), (657, 5891), (1233, 3139)]