77980161

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2917}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 126991360

約数和(自身を除く): 49011199

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 2917, 3819, 8751, 8911, 20419, 26733, 55423, 61257, 166269, 195439, 387961, 586317, 1163883, 1368073, 3713341, 4104219, 11140023, 25993387, 77980161]

約数ペア:

[(1, 77980161), (3, 25993387), (7, 11140023), (19, 4104219), (21, 3713341), (57, 1368073), (67, 1163883), (133, 586317), (201, 387961), (399, 195439), (469, 166269), (1273, 61257), (1407, 55423), (2917, 26733), (3819, 20419), (8751, 8911)]