68787495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 141603840

約数和(自身を除く): 72816345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 83, 105, 135, 189, 249, 315, 415, 581, 747, 877, 945, 1245, 1743, 2241, 2631, 2905, 3735, 4385, 5229, 6139, 7893, 8715, 11205, 13155, 15687, 18417, 23679, 26145, 30695, 39465, 55251, 72791, 78435, 92085, 118395, 165753, 218373, 276255, 363955, 509537, 655119, 828765, 1091865, 1528611, 1965357, 2547685, 3275595, 4585833, 7643055, 9826785, 13757499, 22929165, 68787495]

約数ペア:

[(1, 68787495), (3, 22929165), (5, 13757499), (7, 9826785), (9, 7643055), (15, 4585833), (21, 3275595), (27, 2547685), (35, 1965357), (45, 1528611), (63, 1091865), (83, 828765), (105, 655119), (135, 509537), (189, 363955), (249, 276255), (315, 218373), (415, 165753), (581, 118395), (747, 92085), (877, 78435), (945, 72791), (1245, 55251), (1743, 39465), (2241, 30695), (2631, 26145), (2905, 23679), (3735, 18417), (4385, 15687), (5229, 13155), (6139, 11205), (7893, 8715)]