30128539

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 37399968

約数和(自身を除く): 7271429

約数列:

[1, 7, 17, 53, 119, 281, 289, 371, 901, 1967, 2023, 4777, 6307, 14893, 15317, 33439, 81209, 104251, 107219, 253181, 568463, 1772267, 4304077, 30128539]

約数ペア:

[(1, 30128539), (7, 4304077), (17, 1772267), (53, 568463), (119, 253181), (281, 107219), (289, 104251), (371, 81209), (901, 33439), (1967, 15317), (2023, 14893), (4777, 6307)]