201721725

素因数分解:

$3^3\times 5^2\times {\mathrm{298847}}^1$

素因数の和:298866

約数の個数: 24

約数和(自身を含む): 370571520

約数和(自身を除く): 168849795

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 298847, 896541, 1494235, 2689623, 4482705, 7471175, 8068869, 13448115, 22413525, 40344345, 67240575, 201721725]

約数ペア:

[(1, 201721725), (3, 67240575), (5, 40344345), (9, 22413525), (15, 13448115), (25, 8068869), (27, 7471175), (45, 4482705), (75, 2689623), (135, 1494235), (225, 896541), (675, 298847)]