28281165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171401}}^1$

素因数の和:171420

約数の個数: 16

約数和(自身を含む): 49363776

約数和(自身を除く): 21082611

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 171401, 514203, 857005, 1885411, 2571015, 5656233, 9427055, 28281165]

約数ペア:

[(1, 28281165), (3, 9427055), (5, 5656233), (11, 2571015), (15, 1885411), (33, 857005), (55, 514203), (165, 171401)]