81971799

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1061}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 135120384

約数和(自身を除く): 53148585

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 283, 849, 1061, 1981, 3183, 3679, 5943, 7427, 11037, 13793, 22281, 25753, 41379, 77259, 96551, 289653, 300263, 900789, 2101841, 3903419, 6305523, 11710257, 27323933, 81971799]

約数ペア:

[(1, 81971799), (3, 27323933), (7, 11710257), (13, 6305523), (21, 3903419), (39, 2101841), (91, 900789), (273, 300263), (283, 289653), (849, 96551), (1061, 77259), (1981, 41379), (3183, 25753), (3679, 22281), (5943, 13793), (7427, 11037)]