531225

素因数分解:

$3^3\times 5^2\times {\mathrm{787}}^1$

素因数の和:806

約数の個数: 24

約数和(自身を含む): 977120

約数和(自身を除く): 445895

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 787, 2361, 3935, 7083, 11805, 19675, 21249, 35415, 59025, 106245, 177075, 531225]

約数ペア:

[(1, 531225), (3, 177075), (5, 106245), (9, 59025), (15, 35415), (25, 21249), (27, 19675), (45, 11805), (75, 7083), (135, 3935), (225, 2361), (675, 787)]