215490951

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 377395200

約数和(自身を除く): 161904249

約数列:

[1, 3, 9, 13, 19, 31, 39, 53, 57, 59, 93, 117, 159, 171, 177, 247, 279, 403, 477, 531, 589, 689, 741, 767, 1007, 1121, 1209, 1643, 1767, 1829, 2067, 2223, 2301, 3021, 3127, 3363, 3627, 4929, 5301, 5487, 6201, 6903, 7657, 9063, 9381, 10089, 13091, 14573, 14787, 16461, 21359, 22971, 23777, 28143, 31217, 34751, 39273, 40651, 43719, 59413, 64077, 68913, 71331, 93651, 96937, 104253, 117819, 121953, 131157, 178239, 192231, 213993, 280953, 290811, 312759, 365859, 405821, 451763, 534717, 772369, 872433, 1217463, 1260181, 1355289, 1841803, 2317107, 3652389, 3780543, 4065867, 5525409, 6951321, 11341629, 16576227, 23943439, 71830317, 215490951]

約数ペア:

[(1, 215490951), (3, 71830317), (9, 23943439), (13, 16576227), (19, 11341629), (31, 6951321), (39, 5525409), (53, 4065867), (57, 3780543), (59, 3652389), (93, 2317107), (117, 1841803), (159, 1355289), (171, 1260181), (177, 1217463), (247, 872433), (279, 772369), (403, 534717), (477, 451763), (531, 405821), (589, 365859), (689, 312759), (741, 290811), (767, 280953), (1007, 213993), (1121, 192231), (1209, 178239), (1643, 131157), (1767, 121953), (1829, 117819), (2067, 104253), (2223, 96937), (2301, 93651), (3021, 71331), (3127, 68913), (3363, 64077), (3627, 59413), (4929, 43719), (5301, 40651), (5487, 39273), (6201, 34751), (6903, 31217), (7657, 28143), (9063, 23777), (9381, 22971), (10089, 21359), (13091, 16461), (14573, 14787)]