81920943

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13729}}^1$

素因数の和:13768

約数の個数: 32

約数和(自身を含む): 138398400

約数和(自身を除く): 56477457

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 13729, 41187, 123561, 178477, 233393, 370683, 535431, 700179, 1606293, 2100537, 3034109, 4818879, 6301611, 9102327, 27306981, 81920943]

約数ペア:

[(1, 81920943), (3, 27306981), (9, 9102327), (13, 6301611), (17, 4818879), (27, 3034109), (39, 2100537), (51, 1606293), (117, 700179), (153, 535431), (221, 370683), (351, 233393), (459, 178477), (663, 123561), (1989, 41187), (5967, 13729)]