28308609

素因数分解:

$3^4\times 7^1\times {\mathrm{49927}}^1$

素因数の和:49946

約数の個数: 20

約数和(自身を含む): 48330304

約数和(自身を除く): 20021695

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49927, 149781, 349489, 449343, 1048467, 1348029, 3145401, 4044087, 9436203, 28308609]

約数ペア:

[(1, 28308609), (3, 9436203), (7, 4044087), (9, 3145401), (21, 1348029), (27, 1048467), (63, 449343), (81, 349489), (189, 149781), (567, 49927)]