5128221

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4139}}^1$

素因数の和:4208

約数の個数: 16

約数和(自身を含む): 7948800

約数和(自身を除く): 2820579

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 4139, 12417, 28973, 86919, 244201, 732603, 1709407, 5128221]

約数ペア:

[(1, 5128221), (3, 1709407), (7, 732603), (21, 244201), (59, 86919), (177, 28973), (413, 12417), (1239, 4139)]