81375035

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 118886400

約数和(自身を除く): 37511365

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 805, 1127, 1715, 2063, 5635, 7889, 10315, 14441, 39445, 47449, 72205, 101087, 237245, 332143, 505435, 707609, 1660715, 2325001, 3538045, 11625005, 16275007, 81375035]

約数ペア:

[(1, 81375035), (5, 16275007), (7, 11625005), (23, 3538045), (35, 2325001), (49, 1660715), (115, 707609), (161, 505435), (245, 332143), (343, 237245), (805, 101087), (1127, 72205), (1715, 47449), (2063, 39445), (5635, 14441), (7889, 10315)]