228750081

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 366799104

約数和(自身を除く): 138049023

約数列:

[1, 3, 7, 21, 47, 49, 113, 141, 147, 293, 329, 339, 791, 879, 987, 2051, 2303, 2373, 5311, 5537, 6153, 6909, 13771, 14357, 15933, 16611, 33109, 37177, 41313, 43071, 96397, 99327, 111531, 231763, 260239, 289191, 674779, 695289, 780717, 1556123, 1622341, 2024337, 4668369, 4867023, 10892861, 32678583, 76250027, 228750081]

約数ペア:

[(1, 228750081), (3, 76250027), (7, 32678583), (21, 10892861), (47, 4867023), (49, 4668369), (113, 2024337), (141, 1622341), (147, 1556123), (293, 780717), (329, 695289), (339, 674779), (791, 289191), (879, 260239), (987, 231763), (2051, 111531), (2303, 99327), (2373, 96397), (5311, 43071), (5537, 41313), (6153, 37177), (6909, 33109), (13771, 16611), (14357, 15933)]