157215933

素因数分解:

$3^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{2503}}^1$

素因数の和:3513

約数の個数: 24

約数和(自身を含む): 259895168

約数和(自身を除く): 102679235

約数列:

[1, 3, 7, 9, 21, 63, 997, 2503, 2991, 6979, 7509, 8973, 17521, 20937, 22527, 52563, 62811, 157689, 2495491, 7486473, 17468437, 22459419, 52405311, 157215933]

約数ペア:

[(1, 157215933), (3, 52405311), (7, 22459419), (9, 17468437), (21, 7486473), (63, 2495491), (997, 157689), (2503, 62811), (2991, 52563), (6979, 22527), (7509, 20937), (8973, 17521)]