71664705

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{4643}}^1$

素因数の和:4675

約数の個数: 48

約数和(自身を含む): 144892800

約数和(自身を除く): 73228095

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, 4643, 5145, 13929, 15435, 23215, 32501, 41787, 69645, 97503, 162505, 208935, 227507, 292509, 487515, 682521, 1137535, 1462545, 1592549, 2047563, 3412605, 4777647, 7962745, 10237815, 14332941, 23888235, 71664705]

約数ペア:

[(1, 71664705), (3, 23888235), (5, 14332941), (7, 10237815), (9, 7962745), (15, 4777647), (21, 3412605), (35, 2047563), (45, 1592549), (49, 1462545), (63, 1137535), (105, 682521), (147, 487515), (245, 292509), (315, 227507), (343, 208935), (441, 162505), (735, 97503), (1029, 69645), (1715, 41787), (2205, 32501), (3087, 23215), (4643, 15435), (5145, 13929)]