81808097

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 103944060

約数和(自身を除く): 22135963

約数列:

[1, 7, 17, 49, 53, 109, 119, 289, 371, 763, 833, 901, 1853, 2023, 2597, 5341, 5777, 6307, 12971, 14161, 15317, 31501, 40439, 44149, 90797, 98209, 107219, 220507, 283073, 687463, 750533, 1543549, 1669553, 4812241, 11686871, 81808097]

約数ペア:

[(1, 81808097), (7, 11686871), (17, 4812241), (49, 1669553), (53, 1543549), (109, 750533), (119, 687463), (289, 283073), (371, 220507), (763, 107219), (833, 98209), (901, 90797), (1853, 44149), (2023, 40439), (2597, 31501), (5341, 15317), (5777, 14161), (6307, 12971)]