2971815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 6193152

約数和(自身を除く): 3221337

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 83, 93, 105, 155, 165, 217, 231, 249, 341, 385, 415, 465, 581, 651, 913, 1023, 1085, 1155, 1245, 1705, 1743, 2387, 2573, 2739, 2905, 3255, 4565, 5115, 6391, 7161, 7719, 8715, 11935, 12865, 13695, 18011, 19173, 28303, 31955, 35805, 38595, 54033, 84909, 90055, 95865, 141515, 198121, 270165, 424545, 594363, 990605, 2971815]

約数ペア:

[(1, 2971815), (3, 990605), (5, 594363), (7, 424545), (11, 270165), (15, 198121), (21, 141515), (31, 95865), (33, 90055), (35, 84909), (55, 54033), (77, 38595), (83, 35805), (93, 31955), (105, 28303), (155, 19173), (165, 18011), (217, 13695), (231, 12865), (249, 11935), (341, 8715), (385, 7719), (415, 7161), (465, 6391), (581, 5115), (651, 4565), (913, 3255), (1023, 2905), (1085, 2739), (1155, 2573), (1245, 2387), (1705, 1743)]