1620822

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 3898800

約数和(自身を除く): 2277978

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 149, 222, 259, 294, 298, 447, 518, 777, 894, 1043, 1554, 1813, 2086, 3129, 3626, 5439, 5513, 6258, 7301, 10878, 11026, 14602, 16539, 21903, 33078, 38591, 43806, 77182, 115773, 231546, 270137, 540274, 810411, 1620822]

約数ペア:

[(1, 1620822), (2, 810411), (3, 540274), (6, 270137), (7, 231546), (14, 115773), (21, 77182), (37, 43806), (42, 38591), (49, 33078), (74, 21903), (98, 16539), (111, 14602), (147, 11026), (149, 10878), (222, 7301), (259, 6258), (294, 5513), (298, 5439), (447, 3626), (518, 3129), (777, 2086), (894, 1813), (1043, 1554)]