662646621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 1168183296

約数和(自身を除く): 505536675

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 71, 91, 119, 213, 221, 273, 357, 497, 663, 923, 1207, 1491, 1547, 2011, 2769, 3621, 4641, 6033, 6461, 8449, 14077, 15691, 19383, 25347, 26143, 34187, 42231, 47073, 78429, 102561, 109837, 142781, 183001, 239309, 329511, 428343, 444431, 549003, 717927, 999467, 1333293, 1856153, 2427277, 2998401, 3111017, 5568459, 7281831, 9333051, 12993071, 16990939, 31554601, 38979213, 50972817, 94663803, 220882207, 662646621]

約数ペア:

[(1, 662646621), (3, 220882207), (7, 94663803), (13, 50972817), (17, 38979213), (21, 31554601), (39, 16990939), (51, 12993071), (71, 9333051), (91, 7281831), (119, 5568459), (213, 3111017), (221, 2998401), (273, 2427277), (357, 1856153), (497, 1333293), (663, 999467), (923, 717927), (1207, 549003), (1491, 444431), (1547, 428343), (2011, 329511), (2769, 239309), (3621, 183001), (4641, 142781), (6033, 109837), (6461, 102561), (8449, 78429), (14077, 47073), (15691, 42231), (19383, 34187), (25347, 26143)]