1397521839

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{206033}}^1$

素因数の和:206079

約数の個数: 32

約数和(自身を含む): 2373511680

約数和(自身を除く): 975989841

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 206033, 618099, 1442231, 3502561, 3914627, 4326693, 10507683, 11743881, 24517927, 27402389, 66548659, 73553781, 82207167, 199645977, 465840613, 1397521839]

約数ペア:

[(1, 1397521839), (3, 465840613), (7, 199645977), (17, 82207167), (19, 73553781), (21, 66548659), (51, 27402389), (57, 24517927), (119, 11743881), (133, 10507683), (323, 4326693), (357, 3914627), (399, 3502561), (969, 1442231), (2261, 618099), (6783, 206033)]