81267123

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11981}}^1$

素因数の和:12027

約数の個数: 32

約数和(自身を含む): 138032640

約数和(自身を除く): 56765517

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 11981, 35943, 83867, 203677, 227639, 251601, 611031, 682917, 1425739, 1593473, 3869863, 4277217, 4780419, 11609589, 27089041, 81267123]

約数ペア:

[(1, 81267123), (3, 27089041), (7, 11609589), (17, 4780419), (19, 4277217), (21, 3869863), (51, 1593473), (57, 1425739), (119, 682917), (133, 611031), (323, 251601), (357, 227639), (399, 203677), (969, 83867), (2261, 35943), (6783, 11981)]