28390965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44017}}^1$

素因数の和:44068

約数の個数: 16

約数和(自身を含む): 46483008

約数和(自身を除く): 18092043

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 44017, 132051, 220085, 660255, 1892731, 5678193, 9463655, 28390965]

約数ペア:

[(1, 28390965), (3, 9463655), (5, 5678193), (15, 1892731), (43, 660255), (129, 220085), (215, 132051), (645, 44017)]