2181831

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 3110400

約数和(自身を除く): 928569

約数列:

[1, 3, 17, 51, 179, 239, 537, 717, 3043, 4063, 9129, 12189, 42781, 128343, 727277, 2181831]

約数ペア:

[(1, 2181831), (3, 727277), (17, 128343), (51, 42781), (179, 12189), (239, 9129), (537, 4063), (717, 3043)]