81406566

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 187971840

約数和(自身を除く): 106565274

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 83, 123, 166, 246, 249, 369, 443, 498, 738, 747, 886, 1107, 1329, 1494, 2214, 2241, 2658, 3403, 3987, 4482, 6806, 7974, 10209, 11961, 18163, 20418, 23922, 30627, 36326, 36769, 54489, 61254, 73538, 91881, 108978, 110307, 163467, 183762, 220614, 326934, 330921, 490401, 661842, 980802, 992763, 1507529, 1985526, 3015058, 4522587, 9045174, 13567761, 27135522, 40703283, 81406566]

約数ペア:

[(1, 81406566), (2, 40703283), (3, 27135522), (6, 13567761), (9, 9045174), (18, 4522587), (27, 3015058), (41, 1985526), (54, 1507529), (82, 992763), (83, 980802), (123, 661842), (166, 490401), (246, 330921), (249, 326934), (369, 220614), (443, 183762), (498, 163467), (738, 110307), (747, 108978), (886, 91881), (1107, 73538), (1329, 61254), (1494, 54489), (2214, 36769), (2241, 36326), (2658, 30627), (3403, 23922), (3987, 20418), (4482, 18163), (6806, 11961), (7974, 10209)]