28840779

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{32369}}^1$

素因数の和:32392

約数の個数: 20

約数和(自身を含む): 47001240

約数和(自身を除く): 18160461

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 32369, 97107, 291321, 356059, 873963, 1068177, 2621889, 3204531, 9613593, 28840779]

約数ペア:

[(1, 28840779), (3, 9613593), (9, 3204531), (11, 2621889), (27, 1068177), (33, 873963), (81, 356059), (99, 291321), (297, 97107), (891, 32369)]