291260739

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 500613120

約数和(自身を除く): 209352381

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 139, 141, 193, 231, 329, 417, 517, 579, 973, 987, 1351, 1529, 1551, 2123, 2919, 3619, 4053, 4587, 6369, 6533, 9071, 10703, 10857, 14861, 19599, 26827, 27213, 32109, 44583, 45731, 63497, 71863, 80481, 99781, 137193, 187789, 190491, 215589, 295097, 299343, 503041, 563367, 698467, 885291, 1260869, 1509123, 2065679, 2095401, 3782607, 6197037, 8826083, 13869559, 26478249, 41608677, 97086913, 291260739]

約数ペア:

[(1, 291260739), (3, 97086913), (7, 41608677), (11, 26478249), (21, 13869559), (33, 8826083), (47, 6197037), (77, 3782607), (139, 2095401), (141, 2065679), (193, 1509123), (231, 1260869), (329, 885291), (417, 698467), (517, 563367), (579, 503041), (973, 299343), (987, 295097), (1351, 215589), (1529, 190491), (1551, 187789), (2123, 137193), (2919, 99781), (3619, 80481), (4053, 71863), (4587, 63497), (6369, 45731), (6533, 44583), (9071, 32109), (10703, 27213), (10857, 26827), (14861, 19599)]