15923985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 33675264

約数和(自身を除く): 17751279

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 357, 385, 561, 595, 811, 935, 1155, 1309, 1785, 2433, 2805, 3927, 4055, 5677, 6545, 8921, 12165, 13787, 17031, 19635, 26763, 28385, 41361, 44605, 62447, 68935, 85155, 96509, 133815, 151657, 187341, 206805, 289527, 312235, 454971, 482545, 758285, 936705, 1061599, 1447635, 2274855, 3184797, 5307995, 15923985]

約数ペア:

[(1, 15923985), (3, 5307995), (5, 3184797), (7, 2274855), (11, 1447635), (15, 1061599), (17, 936705), (21, 758285), (33, 482545), (35, 454971), (51, 312235), (55, 289527), (77, 206805), (85, 187341), (105, 151657), (119, 133815), (165, 96509), (187, 85155), (231, 68935), (255, 62447), (357, 44605), (385, 41361), (561, 28385), (595, 26763), (811, 19635), (935, 17031), (1155, 13787), (1309, 12165), (1785, 8921), (2433, 6545), (2805, 5677), (3927, 4055)]