201617721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{393017}}^1$

素因数の和:393045

約数の個数: 16

約数和(自身を含む): 314414400

約数和(自身を除く): 112796679

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 393017, 1179051, 3537153, 7467323, 10611459, 22401969, 67205907, 201617721]

約数ペア:

[(1, 201617721), (3, 67205907), (9, 22401969), (19, 10611459), (27, 7467323), (57, 3537153), (171, 1179051), (513, 393017)]