85640985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111949}}^1$

素因数の和:111977

約数の個数: 24

約数和(自身を含む): 157177800

約数和(自身を除く): 71536815

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 111949, 335847, 559745, 1007541, 1679235, 1903133, 5037705, 5709399, 9515665, 17128197, 28546995, 85640985]

約数ペア:

[(1, 85640985), (3, 28546995), (5, 17128197), (9, 9515665), (15, 5709399), (17, 5037705), (45, 1903133), (51, 1679235), (85, 1007541), (153, 559745), (255, 335847), (765, 111949)]