207355897

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 247196232

約数和(自身を除く): 39840335

約数列:

[1, 7, 49, 61, 173, 401, 427, 1211, 2807, 2989, 8477, 10553, 19649, 24461, 69373, 73871, 171227, 485611, 517097, 1198589, 3399277, 4231753, 29622271, 207355897]

約数ペア:

[(1, 207355897), (7, 29622271), (49, 4231753), (61, 3399277), (173, 1198589), (401, 517097), (427, 485611), (1211, 171227), (2807, 73871), (2989, 69373), (8477, 24461), (10553, 19649)]