812025

素因数分解:

$3^4\times 5^2\times {\mathrm{401}}^1$

素因数の和:423

約数の個数: 30

約数和(自身を含む): 1507902

約数和(自身を除く): 695877

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 401, 405, 675, 1203, 2005, 2025, 3609, 6015, 10025, 10827, 18045, 30075, 32481, 54135, 90225, 162405, 270675, 812025]

約数ペア:

[(1, 812025), (3, 270675), (5, 162405), (9, 90225), (15, 54135), (25, 32481), (27, 30075), (45, 18045), (75, 10827), (81, 10025), (135, 6015), (225, 3609), (401, 2025), (405, 2005), (675, 1203)]