2102985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 3861000

約数和(自身を除く): 1758015

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2749, 8247, 13745, 24741, 41235, 46733, 123705, 140199, 233665, 420597, 700995, 2102985]

約数ペア:

[(1, 2102985), (3, 700995), (5, 420597), (9, 233665), (15, 140199), (17, 123705), (45, 46733), (51, 41235), (85, 24741), (153, 13745), (255, 8247), (765, 2749)]