12742521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20323}}^1$

素因数の和:20356

約数の個数: 16

約数和(自身を含む): 19511040

約数和(自身を除く): 6768519

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20323, 60969, 223553, 386137, 670659, 1158411, 4247507, 12742521]

約数ペア:

[(1, 12742521), (3, 4247507), (11, 1158411), (19, 670659), (33, 386137), (57, 223553), (209, 60969), (627, 20323)]