13457421

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 22084920

約数和(自身を除く): 8627499

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 261, 337, 459, 493, 783, 1011, 1377, 1479, 2349, 3033, 4437, 5729, 9099, 9773, 13311, 17187, 27297, 29319, 39933, 51561, 87957, 154683, 166141, 263871, 464049, 498423, 791613, 1495269, 4485807, 13457421]

約数ペア:

[(1, 13457421), (3, 4485807), (9, 1495269), (17, 791613), (27, 498423), (29, 464049), (51, 263871), (81, 166141), (87, 154683), (153, 87957), (261, 51561), (337, 39933), (459, 29319), (493, 27297), (783, 17187), (1011, 13311), (1377, 9773), (1479, 9099), (2349, 5729), (3033, 4437)]