201131007

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28087}}^1$

素因数の和:28139

約数の個数: 32

約数和(自身を含む): 345145344

約数和(自身を除く): 144014337

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 28087, 84261, 196609, 308957, 589827, 870697, 926871, 2162699, 2612091, 6094879, 6488097, 9577667, 18284637, 28733001, 67043669, 201131007]

約数ペア:

[(1, 201131007), (3, 67043669), (7, 28733001), (11, 18284637), (21, 9577667), (31, 6488097), (33, 6094879), (77, 2612091), (93, 2162699), (217, 926871), (231, 870697), (341, 589827), (651, 308957), (1023, 196609), (2387, 84261), (7161, 28087)]