81706131

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13693}}^1$

素因数の和:13732

約数の個数: 32

約数和(自身を含む): 138035520

約数和(自身を除く): 56329389

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 13693, 41079, 123237, 178009, 232781, 369711, 534027, 698343, 1602081, 2095029, 3026153, 4806243, 6285087, 9078459, 27235377, 81706131]

約数ペア:

[(1, 81706131), (3, 27235377), (9, 9078459), (13, 6285087), (17, 4806243), (27, 3026153), (39, 2095029), (51, 1602081), (117, 698343), (153, 534027), (221, 369711), (351, 232781), (459, 178009), (663, 123237), (1989, 41079), (5967, 13693)]