442179

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 20

約数和(自身を含む): 679536

約数和(自身を除く): 237357

約数列:

[1, 3, 9, 27, 53, 81, 103, 159, 309, 477, 927, 1431, 2781, 4293, 5459, 8343, 16377, 49131, 147393, 442179]

約数ペア:

[(1, 442179), (3, 147393), (9, 49131), (27, 16377), (53, 8343), (81, 5459), (103, 4293), (159, 2781), (309, 1431), (477, 927)]