28819503

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 44295680

約数和(自身を除く): 15476177

約数列:

[1, 3, 9, 27, 43, 103, 129, 241, 309, 387, 723, 927, 1161, 2169, 2781, 4429, 6507, 10363, 13287, 24823, 31089, 39861, 74469, 93267, 119583, 223407, 279801, 670221, 1067389, 3202167, 9606501, 28819503]

約数ペア:

[(1, 28819503), (3, 9606501), (9, 3202167), (27, 1067389), (43, 670221), (103, 279801), (129, 223407), (241, 119583), (309, 93267), (387, 74469), (723, 39861), (927, 31089), (1161, 24823), (2169, 13287), (2781, 10363), (4429, 6507)]