81756315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106871}}^1$

素因数の和:106899

約数の個数: 24

約数和(自身を含む): 150048288

約数和(自身を除く): 68291973

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 106871, 320613, 534355, 961839, 1603065, 1816807, 4809195, 5450421, 9084035, 16351263, 27252105, 81756315]

約数ペア:

[(1, 81756315), (3, 27252105), (5, 16351263), (9, 9084035), (15, 5450421), (17, 4809195), (45, 1816807), (51, 1603065), (85, 961839), (153, 534355), (255, 320613), (765, 106871)]