8720235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11399}}^1$

素因数の和:11427

約数の個数: 24

約数和(自身を含む): 16005600

約数和(自身を除く): 7285365

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 11399, 34197, 56995, 102591, 170985, 193783, 512955, 581349, 968915, 1744047, 2906745, 8720235]

約数ペア:

[(1, 8720235), (3, 2906745), (5, 1744047), (9, 968915), (15, 581349), (17, 512955), (45, 193783), (51, 170985), (85, 102591), (153, 56995), (255, 34197), (765, 11399)]