7840749

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 12897280

約数和(自身を除く): 5056531

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 457, 817, 903, 1371, 2451, 3199, 5719, 8683, 9597, 17157, 19651, 26049, 58953, 60781, 137557, 182343, 373369, 412671, 1120107, 2613583, 7840749]

約数ペア:

[(1, 7840749), (3, 2613583), (7, 1120107), (19, 412671), (21, 373369), (43, 182343), (57, 137557), (129, 60781), (133, 58953), (301, 26049), (399, 19651), (457, 17157), (817, 9597), (903, 8683), (1371, 5719), (2451, 3199)]