128822715

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 266937840

約数和(自身を除く): 138115125

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 185, 245, 259, 315, 333, 441, 555, 735, 777, 1295, 1579, 1665, 1813, 2205, 2331, 3885, 4737, 5439, 7895, 9065, 11053, 11655, 14211, 16317, 23685, 27195, 33159, 55265, 58423, 71055, 77371, 81585, 99477, 165795, 175269, 232113, 292115, 386855, 408961, 497385, 525807, 696339, 876345, 1160565, 1226883, 2044805, 2629035, 2862727, 3481695, 3680649, 6134415, 8588181, 14313635, 18403245, 25764543, 42940905, 128822715]

約数ペア:

[(1, 128822715), (3, 42940905), (5, 25764543), (7, 18403245), (9, 14313635), (15, 8588181), (21, 6134415), (35, 3680649), (37, 3481695), (45, 2862727), (49, 2629035), (63, 2044805), (105, 1226883), (111, 1160565), (147, 876345), (185, 696339), (245, 525807), (259, 497385), (315, 408961), (333, 386855), (441, 292115), (555, 232113), (735, 175269), (777, 165795), (1295, 99477), (1579, 81585), (1665, 77371), (1813, 71055), (2205, 58423), (2331, 55265), (3885, 33159), (4737, 27195), (5439, 23685), (7895, 16317), (9065, 14211), (11053, 11655)]