2831020815

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{421}}^1\times {\mathrm{1307}}^1$

素因数の和:1757

約数の個数: 64

約数和(自身を含む): 5298969600

約数和(自身を除く): 2467948785

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 421, 735, 1029, 1263, 1307, 1715, 2105, 2947, 3921, 5145, 6315, 6535, 8841, 9149, 14735, 19605, 20629, 27447, 44205, 45745, 61887, 64043, 103145, 137235, 144403, 192129, 309435, 320215, 433209, 448301, 550247, 722015, 960645, 1344903, 1650741, 2166045, 2241505, 2751235, 3851729, 6724515, 8253705, 11555187, 19258645, 26962103, 57775935, 80886309, 134810515, 188734721, 404431545, 566204163, 943673605, 2831020815]

約数ペア:

[(1, 2831020815), (3, 943673605), (5, 566204163), (7, 404431545), (15, 188734721), (21, 134810515), (35, 80886309), (49, 57775935), (105, 26962103), (147, 19258645), (245, 11555187), (343, 8253705), (421, 6724515), (735, 3851729), (1029, 2751235), (1263, 2241505), (1307, 2166045), (1715, 1650741), (2105, 1344903), (2947, 960645), (3921, 722015), (5145, 550247), (6315, 448301), (6535, 433209), (8841, 320215), (9149, 309435), (14735, 192129), (19605, 144403), (20629, 137235), (27447, 103145), (44205, 64043), (45745, 61887)]