2129571

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 20

約数和(自身を含む): 3240864

約数和(自身を除く): 1111293

約数列:

[1, 3, 9, 27, 61, 81, 183, 431, 549, 1293, 1647, 3879, 4941, 11637, 26291, 34911, 78873, 236619, 709857, 2129571]

約数ペア:

[(1, 2129571), (3, 709857), (9, 236619), (27, 78873), (61, 34911), (81, 26291), (183, 11637), (431, 4941), (549, 3879), (1293, 1647)]