77745825

素因数分解:

$3^4\times 5^2\times {\mathrm{38393}}^1$

素因数の和:38415

約数の個数: 30

約数和(自身を含む): 144015894

約数和(自身を除く): 66270069

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 38393, 115179, 191965, 345537, 575895, 959825, 1036611, 1727685, 2879475, 3109833, 5183055, 8638425, 15549165, 25915275, 77745825]

約数ペア:

[(1, 77745825), (3, 25915275), (5, 15549165), (9, 8638425), (15, 5183055), (25, 3109833), (27, 2879475), (45, 1727685), (75, 1036611), (81, 959825), (135, 575895), (225, 345537), (405, 191965), (675, 115179), (2025, 38393)]