201996741

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 289382400

約数和(自身を除く): 87385659

約数列:

[1, 3, 23, 47, 69, 141, 199, 313, 597, 939, 1081, 3243, 4577, 7199, 9353, 13731, 14711, 21597, 28059, 44133, 62287, 186861, 215119, 338353, 645357, 1015059, 1432601, 2927489, 4297803, 8782467, 67332247, 201996741]

約数ペア:

[(1, 201996741), (3, 67332247), (23, 8782467), (47, 4297803), (69, 2927489), (141, 1432601), (199, 1015059), (313, 645357), (597, 338353), (939, 215119), (1081, 186861), (3243, 62287), (4577, 44133), (7199, 28059), (9353, 21597), (13731, 14711)]