23873143

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 20

約数和(自身を含む): 28480568

約数和(自身を除く): 4607425

約数列:

[1, 7, 49, 61, 163, 343, 427, 1141, 2401, 2989, 7987, 9943, 20923, 55909, 69601, 146461, 391363, 487207, 3410449, 23873143]

約数ペア:

[(1, 23873143), (7, 3410449), (49, 487207), (61, 391363), (163, 146461), (343, 69601), (427, 55909), (1141, 20923), (2401, 9943), (2989, 7987)]