27915615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 63213696

約数和(自身を除く): 35298081

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 105, 117, 119, 153, 195, 221, 255, 273, 315, 357, 401, 455, 585, 595, 663, 765, 819, 1071, 1105, 1203, 1365, 1547, 1785, 1989, 2005, 2807, 3315, 3609, 4095, 4641, 5213, 5355, 6015, 6817, 7735, 8421, 9945, 13923, 14035, 15639, 18045, 20451, 23205, 25263, 26065, 34085, 36491, 42105, 46917, 47719, 61353, 69615, 78195, 88621, 102255, 109473, 126315, 143157, 182455, 234585, 238595, 265863, 306765, 328419, 429471, 443105, 547365, 620347, 715785, 797589, 1329315, 1642095, 1861041, 2147355, 3101735, 3987945, 5583123, 9305205, 27915615]

約数ペア:

[(1, 27915615), (3, 9305205), (5, 5583123), (7, 3987945), (9, 3101735), (13, 2147355), (15, 1861041), (17, 1642095), (21, 1329315), (35, 797589), (39, 715785), (45, 620347), (51, 547365), (63, 443105), (65, 429471), (85, 328419), (91, 306765), (105, 265863), (117, 238595), (119, 234585), (153, 182455), (195, 143157), (221, 126315), (255, 109473), (273, 102255), (315, 88621), (357, 78195), (401, 69615), (455, 61353), (585, 47719), (595, 46917), (663, 42105), (765, 36491), (819, 34085), (1071, 26065), (1105, 25263), (1203, 23205), (1365, 20451), (1547, 18045), (1785, 15639), (1989, 14035), (2005, 13923), (2807, 9945), (3315, 8421), (3609, 7735), (4095, 6817), (4641, 6015), (5213, 5355)]