78840531

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3923}}^1$

素因数の和:3976

約数の個数: 48

約数和(自身を含む): 146914560

約数和(自身を除く): 68074029

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1827, 2233, 2871, 3923, 6699, 11769, 20097, 27461, 35307, 43153, 82383, 113767, 129459, 247149, 302071, 341301, 388377, 796369, 906213, 1023903, 1251437, 2389107, 2718639, 3754311, 7167321, 8760059, 11262933, 26280177, 78840531]

約数ペア:

[(1, 78840531), (3, 26280177), (7, 11262933), (9, 8760059), (11, 7167321), (21, 3754311), (29, 2718639), (33, 2389107), (63, 1251437), (77, 1023903), (87, 906213), (99, 796369), (203, 388377), (231, 341301), (261, 302071), (319, 247149), (609, 129459), (693, 113767), (957, 82383), (1827, 43153), (2233, 35307), (2871, 27461), (3923, 20097), (6699, 11769)]