81515538

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 196627200

約数和(自身を除く): 115111662

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 151, 234, 302, 351, 453, 702, 769, 906, 1359, 1538, 1963, 2307, 2718, 3926, 4077, 4614, 5889, 6921, 8154, 9997, 11778, 13842, 17667, 19994, 20763, 29991, 35334, 41526, 53001, 59982, 89973, 106002, 116119, 179946, 232238, 269919, 348357, 539838, 696714, 1045071, 1509547, 2090142, 3019094, 3135213, 4528641, 6270426, 9057282, 13585923, 27171846, 40757769, 81515538]

約数ペア:

[(1, 81515538), (2, 40757769), (3, 27171846), (6, 13585923), (9, 9057282), (13, 6270426), (18, 4528641), (26, 3135213), (27, 3019094), (39, 2090142), (54, 1509547), (78, 1045071), (117, 696714), (151, 539838), (234, 348357), (302, 269919), (351, 232238), (453, 179946), (702, 116119), (769, 106002), (906, 89973), (1359, 59982), (1538, 53001), (1963, 41526), (2307, 35334), (2718, 29991), (3926, 20763), (4077, 19994), (4614, 17667), (5889, 13842), (6921, 11778), (8154, 9997)]