28865403

素因数分解:

$3^4\times 7^1\times {\mathrm{50909}}^1$

素因数の和:50928

約数の個数: 20

約数和(自身を含む): 49280880

約数和(自身を除く): 20415477

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50909, 152727, 356363, 458181, 1069089, 1374543, 3207267, 4123629, 9621801, 28865403]

約数ペア:

[(1, 28865403), (3, 9621801), (7, 4123629), (9, 3207267), (21, 1374543), (27, 1069089), (63, 458181), (81, 356363), (189, 152727), (567, 50909)]