68778549

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 121305600

約数和(自身を除く): 52527051

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 149, 153, 357, 431, 447, 1043, 1071, 1293, 1341, 2533, 3017, 3129, 3879, 7327, 7599, 9051, 9387, 17731, 21981, 22797, 27153, 51289, 53193, 64219, 65943, 153867, 159579, 192657, 449533, 461601, 577971, 1091723, 1348599, 3275169, 4045797, 7642061, 9825507, 22926183, 68778549]

約数ペア:

[(1, 68778549), (3, 22926183), (7, 9825507), (9, 7642061), (17, 4045797), (21, 3275169), (51, 1348599), (63, 1091723), (119, 577971), (149, 461601), (153, 449533), (357, 192657), (431, 159579), (447, 153867), (1043, 65943), (1071, 64219), (1293, 53193), (1341, 51289), (2533, 27153), (3017, 22797), (3129, 21981), (3879, 17731), (7327, 9387), (7599, 9051)]