71820315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 149700096

約数和(自身を除く): 77879781

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 67, 83, 105, 123, 201, 205, 249, 287, 315, 335, 369, 415, 469, 581, 603, 615, 747, 861, 1005, 1245, 1407, 1435, 1743, 1845, 2345, 2583, 2747, 2905, 3015, 3403, 3735, 4221, 4305, 5229, 5561, 7035, 8241, 8715, 10209, 12915, 13735, 16683, 17015, 19229, 21105, 23821, 24723, 26145, 27805, 30627, 38927, 41205, 50049, 51045, 57687, 71463, 83415, 96145, 116781, 119105, 123615, 153135, 173061, 194635, 214389, 228001, 250245, 288435, 350343, 357315, 583905, 684003, 865305, 1071945, 1140005, 1596007, 1751715, 2052009, 3420015, 4788021, 7980035, 10260045, 14364063, 23940105, 71820315]

約数ペア:

[(1, 71820315), (3, 23940105), (5, 14364063), (7, 10260045), (9, 7980035), (15, 4788021), (21, 3420015), (35, 2052009), (41, 1751715), (45, 1596007), (63, 1140005), (67, 1071945), (83, 865305), (105, 684003), (123, 583905), (201, 357315), (205, 350343), (249, 288435), (287, 250245), (315, 228001), (335, 214389), (369, 194635), (415, 173061), (469, 153135), (581, 123615), (603, 119105), (615, 116781), (747, 96145), (861, 83415), (1005, 71463), (1245, 57687), (1407, 51045), (1435, 50049), (1743, 41205), (1845, 38927), (2345, 30627), (2583, 27805), (2747, 26145), (2905, 24723), (3015, 23821), (3403, 21105), (3735, 19229), (4221, 17015), (4305, 16683), (5229, 13735), (5561, 12915), (7035, 10209), (8241, 8715)]