80757963

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 57620277

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 131, 143, 393, 429, 479, 1179, 1287, 1437, 1441, 1703, 4311, 4323, 5109, 5269, 6227, 12969, 15327, 15807, 18681, 18733, 47421, 56043, 56199, 62749, 68497, 168597, 188247, 205491, 564741, 616473, 690239, 815737, 2070717, 2447211, 6212151, 7341633, 8973107, 26919321, 80757963]

約数ペア:

[(1, 80757963), (3, 26919321), (9, 8973107), (11, 7341633), (13, 6212151), (33, 2447211), (39, 2070717), (99, 815737), (117, 690239), (131, 616473), (143, 564741), (393, 205491), (429, 188247), (479, 168597), (1179, 68497), (1287, 62749), (1437, 56199), (1441, 56043), (1703, 47421), (4311, 18733), (4323, 18681), (5109, 15807), (5269, 15327), (6227, 12969)]