247552305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16526

約数の個数: 64

約数和(自身を含む): 531836928

約数和(自身を除く): 284284623

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 2145, 3003, 5005, 15015, 16487, 49461, 82435, 115409, 181357, 214331, 247305, 346227, 544071, 577045, 642993, 906785, 1071655, 1269499, 1500317, 1731135, 2357641, 2720355, 3214965, 3808497, 4500951, 6347495, 7072923, 7501585, 11788205, 16503487, 19042485, 22504755, 35364615, 49510461, 82517435, 247552305]

約数ペア:

[(1, 247552305), (3, 82517435), (5, 49510461), (7, 35364615), (11, 22504755), (13, 19042485), (15, 16503487), (21, 11788205), (33, 7501585), (35, 7072923), (39, 6347495), (55, 4500951), (65, 3808497), (77, 3214965), (91, 2720355), (105, 2357641), (143, 1731135), (165, 1500317), (195, 1269499), (231, 1071655), (273, 906785), (385, 642993), (429, 577045), (455, 544071), (715, 346227), (1001, 247305), (1155, 214331), (1365, 181357), (2145, 115409), (3003, 82435), (5005, 49461), (15015, 16487)]