68911965

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10009}}^1$

素因数の和:10043

約数の個数: 40

約数和(自身を含む): 130810680

約数和(自身を除く): 61898715

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 10009, 30027, 50045, 90081, 150135, 170153, 270243, 450405, 510459, 810729, 850765, 1351215, 1531377, 2552295, 4053645, 4594131, 7656885, 13782393, 22970655, 68911965]

約数ペア:

[(1, 68911965), (3, 22970655), (5, 13782393), (9, 7656885), (15, 4594131), (17, 4053645), (27, 2552295), (45, 1531377), (51, 1351215), (81, 850765), (85, 810729), (135, 510459), (153, 450405), (255, 270243), (405, 170153), (459, 150135), (765, 90081), (1377, 50045), (2295, 30027), (6885, 10009)]