81157716

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{4933}}^1$

素因数の和:5400

約数の個数: 36

約数和(自身を含む): 205639252

約数和(自身を除く): 124481536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 914, 1371, 1828, 2742, 4113, 4933, 5484, 8226, 9866, 14799, 16452, 19732, 29598, 44397, 59196, 88794, 177588, 2254381, 4508762, 6763143, 9017524, 13526286, 20289429, 27052572, 40578858, 81157716]

約数ペア:

[(1, 81157716), (2, 40578858), (3, 27052572), (4, 20289429), (6, 13526286), (9, 9017524), (12, 6763143), (18, 4508762), (36, 2254381), (457, 177588), (914, 88794), (1371, 59196), (1828, 44397), (2742, 29598), (4113, 19732), (4933, 16452), (5484, 14799), (8226, 9866)]