128760261

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{12437}}^1$

素因数の和:12493

約数の個数: 32

約数和(自身を含む): 214928640

約数和(自身を除く): 86168379

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 12437, 37311, 87059, 211429, 261177, 360673, 634287, 1082019, 1480003, 2524711, 4440009, 6131441, 7574133, 18394323, 42920087, 128760261]

約数ペア:

[(1, 128760261), (3, 42920087), (7, 18394323), (17, 7574133), (21, 6131441), (29, 4440009), (51, 2524711), (87, 1480003), (119, 1082019), (203, 634287), (357, 360673), (493, 261177), (609, 211429), (1479, 87059), (3451, 37311), (10353, 12437)]