75887217

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 129866880

約数和(自身を除く): 53979663

約数列:

[1, 3, 7, 9, 21, 43, 63, 109, 129, 257, 301, 327, 387, 763, 771, 903, 981, 1799, 2289, 2313, 2709, 4687, 5397, 6867, 11051, 14061, 16191, 28013, 32809, 33153, 42183, 77357, 84039, 98427, 99459, 196091, 232071, 252117, 295281, 588273, 696213, 1204559, 1764819, 3613677, 8431913, 10841031, 25295739, 75887217]

約数ペア:

[(1, 75887217), (3, 25295739), (7, 10841031), (9, 8431913), (21, 3613677), (43, 1764819), (63, 1204559), (109, 696213), (129, 588273), (257, 295281), (301, 252117), (327, 232071), (387, 196091), (763, 99459), (771, 98427), (903, 84039), (981, 77357), (1799, 42183), (2289, 33153), (2313, 32809), (2709, 28013), (4687, 16191), (5397, 14061), (6867, 11051)]