65261781

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 107097536

約数和(自身を除く): 41835755

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 243, 283, 351, 657, 849, 949, 1053, 1971, 2547, 2847, 3159, 3679, 5913, 7641, 8541, 11037, 17739, 20659, 22923, 25623, 33111, 61977, 68769, 76869, 99333, 185931, 230607, 268567, 297999, 557793, 805701, 893997, 1673379, 2417103, 5020137, 7251309, 21753927, 65261781]

約数ペア:

[(1, 65261781), (3, 21753927), (9, 7251309), (13, 5020137), (27, 2417103), (39, 1673379), (73, 893997), (81, 805701), (117, 557793), (219, 297999), (243, 268567), (283, 230607), (351, 185931), (657, 99333), (849, 76869), (949, 68769), (1053, 61977), (1971, 33111), (2547, 25623), (2847, 22923), (3159, 20659), (3679, 17739), (5913, 11037), (7641, 8541)]