28928907

素因数分解:

$3^6\times 7^1\times {\mathrm{5669}}^1$

素因数の和:5694

約数の個数: 28

約数和(自身を含む): 49578480

約数和(自身を除く): 20649573

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5669, 17007, 39683, 51021, 119049, 153063, 357147, 459189, 1071441, 1377567, 3214323, 4132701, 9642969, 28928907]

約数ペア:

[(1, 28928907), (3, 9642969), (7, 4132701), (9, 3214323), (21, 1377567), (27, 1071441), (63, 459189), (81, 357147), (189, 153063), (243, 119049), (567, 51021), (729, 39683), (1701, 17007), (5103, 5669)]