78907857

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{19469}}^1$

素因数の和:19672

約数の個数: 16

約数和(自身を含む): 120869760

約数和(自身を除く): 41961903

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 19469, 58407, 136283, 408849, 3757517, 11272551, 26302619, 78907857]

約数ペア:

[(1, 78907857), (3, 26302619), (7, 11272551), (21, 3757517), (193, 408849), (579, 136283), (1351, 58407), (4053, 19469)]