27881955

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12149}}^1$

素因数の和:12180

約数の個数: 32

約数和(自身を含む): 52488000

約数和(自身を除く): 24606045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 12149, 36447, 60745, 109341, 182235, 206533, 328023, 546705, 619599, 1032665, 1640115, 1858797, 3097995, 5576391, 9293985, 27881955]

約数ペア:

[(1, 27881955), (3, 9293985), (5, 5576391), (9, 3097995), (15, 1858797), (17, 1640115), (27, 1032665), (45, 619599), (51, 546705), (85, 328023), (135, 206533), (153, 182235), (255, 109341), (459, 60745), (765, 36447), (2295, 12149)]