55996857

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 102080160

約数和(自身を除く): 46083303

約数列:

[1, 3, 7, 9, 19, 21, 41, 49, 57, 63, 123, 133, 147, 163, 171, 287, 369, 399, 441, 489, 779, 861, 931, 1141, 1197, 1467, 2009, 2337, 2583, 2793, 3097, 3423, 5453, 6027, 6683, 7011, 7987, 8379, 9291, 10269, 16359, 18081, 20049, 21679, 23961, 27873, 38171, 46781, 49077, 60147, 65037, 71883, 114513, 126977, 140343, 151753, 195111, 327467, 343539, 380931, 421029, 455259, 888839, 982401, 1142793, 1365777, 2666517, 2947203, 6221873, 7999551, 18665619, 55996857]

約数ペア:

[(1, 55996857), (3, 18665619), (7, 7999551), (9, 6221873), (19, 2947203), (21, 2666517), (41, 1365777), (49, 1142793), (57, 982401), (63, 888839), (123, 455259), (133, 421029), (147, 380931), (163, 343539), (171, 327467), (287, 195111), (369, 151753), (399, 140343), (441, 126977), (489, 114513), (779, 71883), (861, 65037), (931, 60147), (1141, 49077), (1197, 46781), (1467, 38171), (2009, 27873), (2337, 23961), (2583, 21679), (2793, 20049), (3097, 18081), (3423, 16359), (5453, 10269), (6027, 9291), (6683, 8379), (7011, 7987)]