81793845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2521}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 163667712

約数和(自身を除く): 81873867

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 103, 105, 309, 315, 515, 721, 927, 1545, 2163, 2521, 3605, 4635, 6489, 7563, 10815, 12605, 17647, 22689, 32445, 37815, 52941, 88235, 113445, 158823, 259663, 264705, 778989, 794115, 1298315, 1817641, 2336967, 3894945, 5452923, 9088205, 11684835, 16358769, 27264615, 81793845]

約数ペア:

[(1, 81793845), (3, 27264615), (5, 16358769), (7, 11684835), (9, 9088205), (15, 5452923), (21, 3894945), (35, 2336967), (45, 1817641), (63, 1298315), (103, 794115), (105, 778989), (309, 264705), (315, 259663), (515, 158823), (721, 113445), (927, 88235), (1545, 52941), (2163, 37815), (2521, 32445), (3605, 22689), (4635, 17647), (6489, 12605), (7563, 10815)]