28755871557

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{309173}}^1$

素因数の和:309329

約数の個数: 32

約数和(自身を含む): 45272967168

約数和(自身を除く): 16517095611

約数列:

[1, 3, 7, 21, 43, 103, 129, 301, 309, 721, 903, 2163, 4429, 13287, 31003, 93009, 309173, 927519, 2164211, 6492633, 13294439, 31844819, 39883317, 93061073, 95534457, 222913733, 279183219, 668741199, 1369327217, 4107981651, 9585290519, 28755871557]

約数ペア:

[(1, 28755871557), (3, 9585290519), (7, 4107981651), (21, 1369327217), (43, 668741199), (103, 279183219), (129, 222913733), (301, 95534457), (309, 93061073), (721, 39883317), (903, 31844819), (2163, 13294439), (4429, 6492633), (13287, 2164211), (31003, 927519), (93009, 309173)]