3784781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 5376000

約数和(自身を除く): 1591219

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 199, 209, 247, 1001, 1393, 1463, 1729, 2189, 2587, 2717, 3781, 15323, 18109, 19019, 26467, 28457, 41591, 49153, 199199, 291137, 344071, 540683, 3784781]

約数ペア:

[(1, 3784781), (7, 540683), (11, 344071), (13, 291137), (19, 199199), (77, 49153), (91, 41591), (133, 28457), (143, 26467), (199, 19019), (209, 18109), (247, 15323), (1001, 3781), (1393, 2717), (1463, 2587), (1729, 2189)]