71838423

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 113461920

約数和(自身を除く): 41623497

約数列:

[1, 3, 9, 29, 37, 43, 87, 111, 129, 173, 261, 333, 387, 519, 1073, 1247, 1557, 1591, 3219, 3741, 4773, 5017, 6401, 7439, 9657, 11223, 14319, 15051, 19203, 22317, 45153, 46139, 57609, 66951, 138417, 185629, 215731, 275243, 415251, 556887, 647193, 825729, 1670661, 1941579, 2477187, 7982047, 23946141, 71838423]

約数ペア:

[(1, 71838423), (3, 23946141), (9, 7982047), (29, 2477187), (37, 1941579), (43, 1670661), (87, 825729), (111, 647193), (129, 556887), (173, 415251), (261, 275243), (333, 215731), (387, 185629), (519, 138417), (1073, 66951), (1247, 57609), (1557, 46139), (1591, 45153), (3219, 22317), (3741, 19203), (4773, 15051), (5017, 14319), (6401, 11223), (7439, 9657)]