90939969

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 148473600

約数和(自身を除く): 57533631

約数列:

[1, 3, 9, 27, 29, 37, 43, 73, 87, 111, 129, 219, 261, 333, 387, 657, 783, 999, 1073, 1161, 1247, 1591, 1971, 2117, 2701, 3139, 3219, 3741, 4773, 6351, 8103, 9417, 9657, 11223, 14319, 19053, 24309, 28251, 28971, 33669, 42957, 46139, 57159, 72927, 78329, 84753, 91031, 116143, 138417, 234987, 273093, 348429, 415251, 704961, 819279, 1045287, 1245753, 2114883, 2457837, 3135861, 3368147, 10104441, 30313323, 90939969]

約数ペア:

[(1, 90939969), (3, 30313323), (9, 10104441), (27, 3368147), (29, 3135861), (37, 2457837), (43, 2114883), (73, 1245753), (87, 1045287), (111, 819279), (129, 704961), (219, 415251), (261, 348429), (333, 273093), (387, 234987), (657, 138417), (783, 116143), (999, 91031), (1073, 84753), (1161, 78329), (1247, 72927), (1591, 57159), (1971, 46139), (2117, 42957), (2701, 33669), (3139, 28971), (3219, 28251), (3741, 24309), (4773, 19053), (6351, 14319), (8103, 11223), (9417, 9657)]