8428131

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1632

約数の個数: 20

約数和(自身を含む): 12786312

約数和(自身を除く): 4358181

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1553, 1809, 4659, 5427, 13977, 41931, 104051, 125793, 312153, 936459, 2809377, 8428131]

約数ペア:

[(1, 8428131), (3, 2809377), (9, 936459), (27, 312153), (67, 125793), (81, 104051), (201, 41931), (603, 13977), (1553, 5427), (1809, 4659)]