17967791961

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1\times {\mathrm{3881}}^1$

素因数の和:5646

約数の個数: 48

約数和(自身を含む): 30376494720

約数和(自身を除く): 12408702759

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1709, 2709, 3881, 5127, 11643, 11963, 15381, 27167, 34929, 35889, 73487, 81501, 107667, 166883, 220461, 244503, 500649, 514409, 661383, 1168181, 1501947, 1543227, 3504543, 4629681, 6632629, 10513629, 19897887, 46428403, 59693661, 139285209, 285203047, 417855627, 855609141, 1996421329, 2566827423, 5989263987, 17967791961]

約数ペア:

[(1, 17967791961), (3, 5989263987), (7, 2566827423), (9, 1996421329), (21, 855609141), (43, 417855627), (63, 285203047), (129, 139285209), (301, 59693661), (387, 46428403), (903, 19897887), (1709, 10513629), (2709, 6632629), (3881, 4629681), (5127, 3504543), (11643, 1543227), (11963, 1501947), (15381, 1168181), (27167, 661383), (34929, 514409), (35889, 500649), (73487, 244503), (81501, 220461), (107667, 166883)]