15789137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 20858880

約数和(自身を除く): 5069743

約数列:

[1, 7, 13, 29, 31, 91, 193, 203, 217, 377, 403, 899, 1351, 2509, 2639, 2821, 5597, 5983, 6293, 11687, 17563, 39179, 41881, 72761, 77779, 81809, 173507, 509327, 544453, 1214549, 2255591, 15789137]

約数ペア:

[(1, 15789137), (7, 2255591), (13, 1214549), (29, 544453), (31, 509327), (91, 173507), (193, 81809), (203, 77779), (217, 72761), (377, 41881), (403, 39179), (899, 17563), (1351, 11687), (2509, 6293), (2639, 5983), (2821, 5597)]