28191639

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3803}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 43091712

約数和(自身を除く): 14900073

約数列:

[1, 3, 7, 21, 353, 1059, 2471, 3803, 7413, 11409, 26621, 79863, 1342459, 4027377, 9397213, 28191639]

約数ペア:

[(1, 28191639), (3, 9397213), (7, 4027377), (21, 1342459), (353, 79863), (1059, 26621), (2471, 11409), (3803, 7413)]