12740511

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11447}}^1$

素因数の和:11510

約数の個数: 16

約数和(自身を含む): 19782144

約数和(自身を除く): 7041633

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 11447, 34341, 80129, 240387, 606691, 1820073, 4246837, 12740511]

約数ペア:

[(1, 12740511), (3, 4246837), (7, 1820073), (21, 606691), (53, 240387), (159, 80129), (371, 34341), (1113, 11447)]