12785877

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 20720000

約数和(自身を除く): 7934123

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 499, 657, 949, 1497, 1971, 2847, 4491, 6487, 8541, 13473, 19461, 25623, 36427, 58383, 109281, 175149, 327843, 473551, 983529, 1420653, 4261959, 12785877]

約数ペア:

[(1, 12785877), (3, 4261959), (9, 1420653), (13, 983529), (27, 473551), (39, 327843), (73, 175149), (117, 109281), (219, 58383), (351, 36427), (499, 25623), (657, 19461), (949, 13473), (1497, 8541), (1971, 6487), (2847, 4491)]