12665247

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9887}}^1$

素因数の和:9958

約数の個数: 16

約数和(自身を含む): 19617792

約数和(自身を除く): 6952545

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 9887, 29661, 69209, 207627, 603107, 1809321, 4221749, 12665247]

約数ペア:

[(1, 12665247), (3, 4221749), (7, 1809321), (21, 603107), (61, 207627), (183, 69209), (427, 29661), (1281, 9887)]