6991369

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 9504000

約数和(自身を除く): 2512631

約数列:

[1, 7, 11, 17, 49, 77, 109, 119, 187, 343, 539, 763, 833, 1199, 1309, 1853, 3773, 5341, 5831, 8393, 9163, 12971, 20383, 37387, 58751, 64141, 90797, 142681, 411257, 635579, 998767, 6991369]

約数ペア:

[(1, 6991369), (7, 998767), (11, 635579), (17, 411257), (49, 142681), (77, 90797), (109, 64141), (119, 58751), (187, 37387), (343, 20383), (539, 12971), (763, 9163), (833, 8393), (1199, 5831), (1309, 5341), (1853, 3773)]