291920769

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7867}}^1$

素因数の和:7930

約数の個数: 48

約数和(自身を含む): 523694080

約数和(自身を除く): 231773311

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 589, 651, 1197, 1767, 1953, 4123, 5301, 7867, 12369, 23601, 37107, 55069, 70803, 149473, 165207, 243877, 448419, 495621, 731631, 1046311, 1345257, 1707139, 2194893, 3138933, 4633663, 5121417, 9416799, 13900989, 15364251, 32435641, 41702967, 97306923, 291920769]

約数ペア:

[(1, 291920769), (3, 97306923), (7, 41702967), (9, 32435641), (19, 15364251), (21, 13900989), (31, 9416799), (57, 5121417), (63, 4633663), (93, 3138933), (133, 2194893), (171, 1707139), (217, 1345257), (279, 1046311), (399, 731631), (589, 495621), (651, 448419), (1197, 243877), (1767, 165207), (1953, 149473), (4123, 70803), (5301, 55069), (7867, 37107), (12369, 23601)]