220788477

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3907}}^1$

素因数の和:3959

約数の個数: 64

約数和(自身を含む): 420188160

約数和(自身を除く): 199399683

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 91, 117, 161, 189, 207, 273, 299, 351, 483, 621, 819, 897, 1449, 2093, 2457, 2691, 3907, 4347, 6279, 8073, 11721, 18837, 27349, 35163, 50791, 56511, 82047, 89861, 105489, 152373, 246141, 269583, 355537, 457119, 629027, 738423, 808749, 1066611, 1168193, 1371357, 1887081, 2426247, 3199833, 3504579, 5661243, 8177351, 9599499, 10513737, 16983729, 24532053, 31541211, 73596159, 220788477]

約数ペア:

[(1, 220788477), (3, 73596159), (7, 31541211), (9, 24532053), (13, 16983729), (21, 10513737), (23, 9599499), (27, 8177351), (39, 5661243), (63, 3504579), (69, 3199833), (91, 2426247), (117, 1887081), (161, 1371357), (189, 1168193), (207, 1066611), (273, 808749), (299, 738423), (351, 629027), (483, 457119), (621, 355537), (819, 269583), (897, 246141), (1449, 152373), (2093, 105489), (2457, 89861), (2691, 82047), (3907, 56511), (4347, 50791), (6279, 35163), (8073, 27349), (11721, 18837)]