212042991

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 298598400

約数和(自身を除く): 86555409

約数列:

[1, 3, 47, 59, 71, 141, 177, 213, 359, 1077, 2773, 3337, 4189, 8319, 10011, 12567, 16873, 21181, 25489, 50619, 63543, 76467, 196883, 590649, 995507, 1197983, 1503851, 2986521, 3593949, 4511553, 70680997, 212042991]

約数ペア:

[(1, 212042991), (3, 70680997), (47, 4511553), (59, 3593949), (71, 2986521), (141, 1503851), (177, 1197983), (213, 995507), (359, 590649), (1077, 196883), (2773, 76467), (3337, 63543), (4189, 50619), (8319, 25489), (10011, 21181), (12567, 16873)]