782217

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 28

約数和(自身を含む): 1246020

約数和(自身を除く): 463803

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 111, 243, 261, 333, 729, 783, 999, 1073, 2349, 2997, 3219, 7047, 8991, 9657, 21141, 26973, 28971, 86913, 260739, 782217]

約数ペア:

[(1, 782217), (3, 260739), (9, 86913), (27, 28971), (29, 26973), (37, 21141), (81, 9657), (87, 8991), (111, 7047), (243, 3219), (261, 2997), (333, 2349), (729, 1073), (783, 999)]