21828375

素因数分解:

$3^2\times 5^3\times {\mathrm{19403}}^1$

素因数の和:19424

約数の個数: 24

約数和(自身を含む): 39351312

約数和(自身を除く): 17522937

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 19403, 58209, 97015, 174627, 291045, 485075, 873135, 1455225, 2425375, 4365675, 7276125, 21828375]

約数ペア:

[(1, 21828375), (3, 7276125), (5, 4365675), (9, 2425375), (15, 1455225), (25, 873135), (45, 485075), (75, 291045), (125, 174627), (225, 97015), (375, 58209), (1125, 19403)]