78904089

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 132897024

約数和(自身を除く): 53992935

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 173, 187, 271, 519, 561, 813, 1557, 1683, 1903, 2439, 2941, 2981, 4607, 5709, 8823, 8943, 13821, 17127, 26469, 26829, 32351, 41463, 46883, 50677, 97053, 140649, 152031, 291159, 421947, 456093, 515713, 797011, 1547139, 2391033, 4641417, 7173099, 8767121, 26301363, 78904089]

約数ペア:

[(1, 78904089), (3, 26301363), (9, 8767121), (11, 7173099), (17, 4641417), (33, 2391033), (51, 1547139), (99, 797011), (153, 515713), (173, 456093), (187, 421947), (271, 291159), (519, 152031), (561, 140649), (813, 97053), (1557, 50677), (1683, 46883), (1903, 41463), (2439, 32351), (2941, 26829), (2981, 26469), (4607, 17127), (5709, 13821), (8823, 8943)]