13418865

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1983

約数の個数: 40

約数和(自身を含む): 25482600

約数和(自身を除く): 12063735

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 1949, 2295, 5847, 6885, 9745, 17541, 29235, 33133, 52623, 87705, 99399, 157869, 165665, 263115, 298197, 496995, 789345, 894591, 1490985, 2683773, 4472955, 13418865]

約数ペア:

[(1, 13418865), (3, 4472955), (5, 2683773), (9, 1490985), (15, 894591), (17, 789345), (27, 496995), (45, 298197), (51, 263115), (81, 165665), (85, 157869), (135, 99399), (153, 87705), (255, 52623), (405, 33133), (459, 29235), (765, 17541), (1377, 9745), (1949, 6885), (2295, 5847)]