128217411

素因数分解:

$3^4\times 7^1\times {\mathrm{226133}}^1$

素因数の和:226152

約数の個数: 20

約数和(自身を含む): 218897712

約数和(自身を除く): 90680301

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 226133, 678399, 1582931, 2035197, 4748793, 6105591, 14246379, 18316773, 42739137, 128217411]

約数ペア:

[(1, 128217411), (3, 42739137), (7, 18316773), (9, 14246379), (21, 6105591), (27, 4748793), (63, 2035197), (81, 1582931), (189, 678399), (567, 226133)]