4891437

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 18

約数和(自身を含む): 7279818

約数和(自身を除く): 2388381

約数列:

[1, 3, 9, 37, 111, 333, 397, 1191, 1369, 3573, 4107, 12321, 14689, 44067, 132201, 543493, 1630479, 4891437]

約数ペア:

[(1, 4891437), (3, 1630479), (9, 543493), (37, 132201), (111, 44067), (333, 14689), (397, 12321), (1191, 4107), (1369, 3573)]