678984777

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1741}}^1\times {\mathrm{2549}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 1039451400

約数和(自身を除く): 360466623

約数列:

[1, 3, 9, 17, 51, 153, 1741, 2549, 5223, 7647, 15669, 22941, 29597, 43333, 88791, 129999, 266373, 389997, 4437809, 13313427, 39940281, 75442753, 226328259, 678984777]

約数ペア:

[(1, 678984777), (3, 226328259), (9, 75442753), (17, 39940281), (51, 13313427), (153, 4437809), (1741, 389997), (2549, 266373), (5223, 129999), (7647, 88791), (15669, 43333), (22941, 29597)]