1216811169

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^2\times {\mathrm{241}}^1$

素因数の和:475

約数の個数: 54

約数和(自身を含む): 2072424354

約数和(自身を除く): 855613185

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 241, 321, 441, 723, 749, 963, 1687, 2169, 2247, 5061, 5243, 6741, 11449, 11809, 15183, 15729, 25787, 34347, 35427, 47187, 77361, 80143, 103041, 106281, 180509, 232083, 240429, 541527, 561001, 721287, 1263563, 1624581, 1683003, 2759209, 3790689, 5049009, 8277627, 11372067, 19314463, 24832881, 57943389, 135201241, 173830167, 405603723, 1216811169]

約数ペア:

[(1, 1216811169), (3, 405603723), (7, 173830167), (9, 135201241), (21, 57943389), (49, 24832881), (63, 19314463), (107, 11372067), (147, 8277627), (241, 5049009), (321, 3790689), (441, 2759209), (723, 1683003), (749, 1624581), (963, 1263563), (1687, 721287), (2169, 561001), (2247, 541527), (5061, 240429), (5243, 232083), (6741, 180509), (11449, 106281), (11809, 103041), (15183, 80143), (15729, 77361), (25787, 47187), (34347, 35427)]