27520605

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{1783}}^1$

素因数の和:1815

約数の個数: 48

約数和(自身を含む): 55660800

約数和(自身を除く): 28140195

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 1783, 2205, 3087, 5145, 5349, 8915, 12481, 15435, 16047, 26745, 37443, 62405, 80235, 87367, 112329, 187215, 262101, 436835, 561645, 611569, 786303, 1310505, 1834707, 3057845, 3931515, 5504121, 9173535, 27520605]

約数ペア:

[(1, 27520605), (3, 9173535), (5, 5504121), (7, 3931515), (9, 3057845), (15, 1834707), (21, 1310505), (35, 786303), (45, 611569), (49, 561645), (63, 436835), (105, 262101), (147, 187215), (245, 112329), (315, 87367), (343, 80235), (441, 62405), (735, 37443), (1029, 26745), (1715, 16047), (1783, 15435), (2205, 12481), (3087, 8915), (5145, 5349)]