7863147

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 12018240

約数和(自身を除く): 4155093

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 641, 1363, 1923, 4089, 5769, 12267, 18589, 30127, 55767, 90381, 167301, 271143, 873683, 2621049, 7863147]

約数ペア:

[(1, 7863147), (3, 2621049), (9, 873683), (29, 271143), (47, 167301), (87, 90381), (141, 55767), (261, 30127), (423, 18589), (641, 12267), (1363, 5769), (1923, 4089)]