28176825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8737}}^1$

素因数の和:8793

約数の個数: 24

約数和(自身を含む): 47674528

約数和(自身を除く): 19497703

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8737, 26211, 43685, 131055, 218425, 375691, 655275, 1127073, 1878455, 5635365, 9392275, 28176825]

約数ペア:

[(1, 28176825), (3, 9392275), (5, 5635365), (15, 1878455), (25, 1127073), (43, 655275), (75, 375691), (129, 218425), (215, 131055), (645, 43685), (1075, 26211), (3225, 8737)]