27985825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 43925760

約数和(自身を除く): 15939935

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 409, 425, 575, 595, 805, 1955, 2045, 2737, 2863, 2975, 4025, 6953, 9407, 9775, 10225, 13685, 14315, 34765, 47035, 48671, 65849, 68425, 71575, 159919, 173825, 235175, 243355, 329245, 799595, 1119433, 1216775, 1646225, 3997975, 5597165, 27985825]

約数ペア:

[(1, 27985825), (5, 5597165), (7, 3997975), (17, 1646225), (23, 1216775), (25, 1119433), (35, 799595), (85, 329245), (115, 243355), (119, 235175), (161, 173825), (175, 159919), (391, 71575), (409, 68425), (425, 65849), (575, 48671), (595, 47035), (805, 34765), (1955, 14315), (2045, 13685), (2737, 10225), (2863, 9775), (2975, 9407), (4025, 6953)]