12719973

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5557}}^1$

素因数の和:5676

約数の個数: 16

約数和(自身を含む): 19564160

約数和(自身を除く): 6844187

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 5557, 16671, 38899, 116697, 605713, 1817139, 4239991, 12719973]

約数ペア:

[(1, 12719973), (3, 4239991), (7, 1817139), (21, 605713), (109, 116697), (327, 38899), (763, 16671), (2289, 5557)]