123525825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 223839840

約数和(自身を除く): 100314015

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 139, 205, 255, 289, 417, 425, 615, 695, 697, 867, 1025, 1275, 1445, 2085, 2091, 2363, 3075, 3475, 3485, 4335, 5699, 7089, 7225, 10425, 10455, 11815, 11849, 17097, 17425, 21675, 28495, 35445, 35547, 40171, 52275, 59075, 59245, 85485, 96883, 120513, 142475, 177225, 177735, 200855, 290649, 296225, 427425, 484415, 602565, 888675, 1004275, 1453245, 1647011, 2422075, 3012825, 4941033, 7266225, 8235055, 24705165, 41175275, 123525825]

約数ペア:

[(1, 123525825), (3, 41175275), (5, 24705165), (15, 8235055), (17, 7266225), (25, 4941033), (41, 3012825), (51, 2422075), (75, 1647011), (85, 1453245), (123, 1004275), (139, 888675), (205, 602565), (255, 484415), (289, 427425), (417, 296225), (425, 290649), (615, 200855), (695, 177735), (697, 177225), (867, 142475), (1025, 120513), (1275, 96883), (1445, 85485), (2085, 59245), (2091, 59075), (2363, 52275), (3075, 40171), (3475, 35547), (3485, 35445), (4335, 28495), (5699, 21675), (7089, 17425), (7225, 17097), (10425, 11849), (10455, 11815)]