2783403

素因数分解:

$3^4\times 7^1\times {\mathrm{4909}}^1$

素因数の和:4928

約数の個数: 20

約数和(自身を含む): 4752880

約数和(自身を除く): 1969477

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4909, 14727, 34363, 44181, 103089, 132543, 309267, 397629, 927801, 2783403]

約数ペア:

[(1, 2783403), (3, 927801), (7, 397629), (9, 309267), (21, 132543), (27, 103089), (63, 44181), (81, 34363), (189, 14727), (567, 4909)]