28400511

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1607}}^1$

素因数の和:1790

約数の個数: 16

約数和(自身を含む): 39055104

約数和(自身を除く): 10654593

約数列:

[1, 3, 43, 129, 137, 411, 1607, 4821, 5891, 17673, 69101, 207303, 220159, 660477, 9466837, 28400511]

約数ペア:

[(1, 28400511), (3, 9466837), (43, 660477), (129, 220159), (137, 207303), (411, 69101), (1607, 17673), (4821, 5891)]