7942165

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 12153600

約数和(自身を除く): 4211435

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 421, 539, 1715, 2105, 2695, 2947, 3773, 4631, 14735, 18865, 20629, 23155, 32417, 103145, 144403, 162085, 226919, 722015, 1134595, 1588433, 7942165]

約数ペア:

[(1, 7942165), (5, 1588433), (7, 1134595), (11, 722015), (35, 226919), (49, 162085), (55, 144403), (77, 103145), (245, 32417), (343, 23155), (385, 20629), (421, 18865), (539, 14735), (1715, 4631), (2105, 3773), (2695, 2947)]