17983147

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 23408000

約数和(自身を除く): 5424853

約数列:

[1, 7, 13, 37, 49, 91, 109, 259, 343, 481, 637, 763, 1417, 1813, 3367, 4033, 4459, 5341, 9919, 12691, 23569, 28231, 37387, 52429, 69433, 164983, 197617, 367003, 486031, 1383319, 2569021, 17983147]

約数ペア:

[(1, 17983147), (7, 2569021), (13, 1383319), (37, 486031), (49, 367003), (91, 197617), (109, 164983), (259, 69433), (343, 52429), (481, 37387), (637, 28231), (763, 23569), (1417, 12691), (1813, 9919), (3367, 5341), (4033, 4459)]