12517281

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 21432320

約数和(自身を除く): 8915039

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 643, 721, 927, 1929, 2163, 2781, 4501, 5787, 6489, 13503, 17361, 19467, 40509, 66229, 121527, 198687, 463603, 596061, 1390809, 1788183, 4172427, 12517281]

約数ペア:

[(1, 12517281), (3, 4172427), (7, 1788183), (9, 1390809), (21, 596061), (27, 463603), (63, 198687), (103, 121527), (189, 66229), (309, 40509), (643, 19467), (721, 17361), (927, 13503), (1929, 6489), (2163, 5787), (2781, 4501)]