15621489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 25858560

約数和(自身を除く): 10237071

約数列:

[1, 3, 9, 13, 31, 39, 59, 73, 93, 117, 177, 219, 279, 403, 531, 657, 767, 949, 1209, 1829, 2263, 2301, 2847, 3627, 4307, 5487, 6789, 6903, 8541, 12921, 16461, 20367, 23777, 29419, 38763, 55991, 71331, 88257, 133517, 167973, 213993, 264771, 400551, 503919, 1201653, 1735721, 5207163, 15621489]

約数ペア:

[(1, 15621489), (3, 5207163), (9, 1735721), (13, 1201653), (31, 503919), (39, 400551), (59, 264771), (73, 213993), (93, 167973), (117, 133517), (177, 88257), (219, 71331), (279, 55991), (403, 38763), (531, 29419), (657, 23777), (767, 20367), (949, 16461), (1209, 12921), (1829, 8541), (2263, 6903), (2301, 6789), (2847, 5487), (3627, 4307)]