289490061

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 486604800

約数和(自身を除く): 197114739

約数列:

[1, 3, 7, 19, 21, 43, 47, 57, 129, 133, 141, 301, 329, 359, 399, 817, 893, 903, 987, 1077, 2021, 2451, 2513, 2679, 5719, 6063, 6251, 6821, 7539, 14147, 15437, 16873, 17157, 18753, 20463, 38399, 42441, 46311, 47747, 50619, 108059, 115197, 118111, 143241, 268793, 293303, 320587, 324177, 354333, 725539, 806379, 879909, 961761, 2053121, 2176617, 2244109, 5078773, 6159363, 6732327, 13785241, 15236319, 41355723, 96496687, 289490061]

約数ペア:

[(1, 289490061), (3, 96496687), (7, 41355723), (19, 15236319), (21, 13785241), (43, 6732327), (47, 6159363), (57, 5078773), (129, 2244109), (133, 2176617), (141, 2053121), (301, 961761), (329, 879909), (359, 806379), (399, 725539), (817, 354333), (893, 324177), (903, 320587), (987, 293303), (1077, 268793), (2021, 143241), (2451, 118111), (2513, 115197), (2679, 108059), (5719, 50619), (6063, 47747), (6251, 46311), (6821, 42441), (7539, 38399), (14147, 20463), (15437, 18753), (16873, 17157)]