667039779

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 1180650240

約数和(自身を除く): 513610461

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 109, 129, 189, 251, 301, 327, 387, 567, 753, 763, 903, 981, 1161, 1757, 2259, 2289, 2709, 2943, 3483, 4687, 5271, 6777, 6867, 8127, 8829, 10793, 14061, 15813, 20331, 20601, 24381, 27359, 32379, 32809, 42183, 47439, 61803, 75551, 82077, 97137, 98427, 126549, 142317, 191513, 226653, 246231, 291411, 295281, 379647, 574539, 679959, 738693, 874233, 885843, 1176437, 1723617, 2039877, 2216079, 2657529, 3529311, 5170851, 6119631, 8235059, 10587933, 15512553, 24705177, 31763799, 74115531, 95291397, 222346593, 667039779]

約数ペア:

[(1, 667039779), (3, 222346593), (7, 95291397), (9, 74115531), (21, 31763799), (27, 24705177), (43, 15512553), (63, 10587933), (81, 8235059), (109, 6119631), (129, 5170851), (189, 3529311), (251, 2657529), (301, 2216079), (327, 2039877), (387, 1723617), (567, 1176437), (753, 885843), (763, 874233), (903, 738693), (981, 679959), (1161, 574539), (1757, 379647), (2259, 295281), (2289, 291411), (2709, 246231), (2943, 226653), (3483, 191513), (4687, 142317), (5271, 126549), (6777, 98427), (6867, 97137), (8127, 82077), (8829, 75551), (10793, 61803), (14061, 47439), (15813, 42183), (20331, 32809), (20601, 32379), (24381, 27359)]