289681725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{133187}}^1$

素因数の和:133229

約数の個数: 24

約数和(自身を含む): 495459360

約数和(自身を除く): 205777635

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 133187, 399561, 665935, 1997805, 3329675, 3862423, 9989025, 11587269, 19312115, 57936345, 96560575, 289681725]

約数ペア:

[(1, 289681725), (3, 96560575), (5, 57936345), (15, 19312115), (25, 11587269), (29, 9989025), (75, 3862423), (87, 3329675), (145, 1997805), (435, 665935), (725, 399561), (2175, 133187)]