2807805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 96

約数和(自身を含む): 6435072

約数和(自身を除く): 3627267

約数列:

[1, 3, 5, 7, 11, 13, 15, 17, 21, 33, 35, 39, 51, 55, 65, 77, 85, 91, 105, 119, 121, 143, 165, 187, 195, 221, 231, 255, 273, 357, 363, 385, 429, 455, 561, 595, 605, 663, 715, 847, 935, 1001, 1105, 1155, 1309, 1365, 1547, 1573, 1785, 1815, 2057, 2145, 2431, 2541, 2805, 3003, 3315, 3927, 4235, 4641, 4719, 5005, 6171, 6545, 7293, 7735, 7865, 10285, 11011, 12155, 12705, 14399, 15015, 17017, 19635, 23205, 23595, 26741, 30855, 33033, 36465, 43197, 51051, 55055, 71995, 80223, 85085, 133705, 165165, 187187, 215985, 255255, 401115, 561561, 935935, 2807805]

約数ペア:

[(1, 2807805), (3, 935935), (5, 561561), (7, 401115), (11, 255255), (13, 215985), (15, 187187), (17, 165165), (21, 133705), (33, 85085), (35, 80223), (39, 71995), (51, 55055), (55, 51051), (65, 43197), (77, 36465), (85, 33033), (91, 30855), (105, 26741), (119, 23595), (121, 23205), (143, 19635), (165, 17017), (187, 15015), (195, 14399), (221, 12705), (231, 12155), (255, 11011), (273, 10285), (357, 7865), (363, 7735), (385, 7293), (429, 6545), (455, 6171), (561, 5005), (595, 4719), (605, 4641), (663, 4235), (715, 3927), (847, 3315), (935, 3003), (1001, 2805), (1105, 2541), (1155, 2431), (1309, 2145), (1365, 2057), (1547, 1815), (1573, 1785)]