71757315

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{4649}}^1$

素因数の和:4681

約数の個数: 48

約数和(自身を含む): 145080000

約数和(自身を除く): 73322685

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 4649, 5145, 13947, 15435, 23245, 32543, 41841, 69735, 97629, 162715, 209205, 227801, 292887, 488145, 683403, 1139005, 1464435, 1594607, 2050209, 3417015, 4783821, 7973035, 10251045, 14351463, 23919105, 71757315]

約数ペア:

[(1, 71757315), (3, 23919105), (5, 14351463), (7, 10251045), (9, 7973035), (15, 4783821), (21, 3417015), (35, 2050209), (45, 1594607), (49, 1464435), (63, 1139005), (105, 683403), (147, 488145), (245, 292887), (315, 227801), (343, 209205), (441, 162715), (735, 97629), (1029, 69735), (1715, 41841), (2205, 32543), (3087, 23245), (4649, 15435), (5145, 13947)]