80455557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15511}}^1$

素因数の和:15553

約数の個数: 32

約数和(自身を含む): 138987520

約数和(自身を除く): 58531963

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 15511, 46533, 108577, 201643, 294709, 325731, 604929, 884127, 1411501, 2062963, 3831217, 4234503, 6188889, 11493651, 26818519, 80455557]

約数ペア:

[(1, 80455557), (3, 26818519), (7, 11493651), (13, 6188889), (19, 4234503), (21, 3831217), (39, 2062963), (57, 1411501), (91, 884127), (133, 604929), (247, 325731), (273, 294709), (399, 201643), (741, 108577), (1729, 46533), (5187, 15511)]