9980955

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4349}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 18792000

約数和(自身を除く): 8811045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 4349, 13047, 21745, 39141, 65235, 73933, 117423, 195705, 221799, 369665, 587115, 665397, 1108995, 1996191, 3326985, 9980955]

約数ペア:

[(1, 9980955), (3, 3326985), (5, 1996191), (9, 1108995), (15, 665397), (17, 587115), (27, 369665), (45, 221799), (51, 195705), (85, 117423), (135, 73933), (153, 65235), (255, 39141), (459, 21745), (765, 13047), (2295, 4349)]