81760905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106877}}^1$

素因数の和:106905

約数の個数: 24

約数和(自身を含む): 150056712

約数和(自身を除く): 68295807

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 106877, 320631, 534385, 961893, 1603155, 1816909, 4809465, 5450727, 9084545, 16352181, 27253635, 81760905]

約数ペア:

[(1, 81760905), (3, 27253635), (5, 16352181), (9, 9084545), (15, 5450727), (17, 4809465), (45, 1816909), (51, 1603155), (85, 961893), (153, 534385), (255, 320631), (765, 106877)]