4005693

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2938

約数の個数: 20

約数和(自身を含む): 6337980

約数和(自身を除く): 2332287

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 2909, 8727, 26181, 49453, 78543, 148359, 235629, 445077, 1335231, 4005693]

約数ペア:

[(1, 4005693), (3, 1335231), (9, 445077), (17, 235629), (27, 148359), (51, 78543), (81, 49453), (153, 26181), (459, 8727), (1377, 2909)]