55879551

素因数分解:

$3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:80

約数の個数: 108

約数和(自身を含む): 110669832

約数和(自身を除く): 54790281

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 49, 57, 63, 81, 91, 117, 133, 147, 171, 189, 243, 247, 273, 351, 361, 399, 441, 513, 567, 637, 741, 819, 931, 1053, 1083, 1197, 1323, 1539, 1701, 1729, 1911, 2223, 2457, 2527, 2793, 3159, 3249, 3591, 3969, 4617, 4693, 5187, 5733, 6669, 7371, 7581, 8379, 9747, 10773, 11907, 12103, 14079, 15561, 17199, 17689, 20007, 22113, 22743, 25137, 29241, 32319, 32851, 36309, 42237, 46683, 51597, 53067, 60021, 68229, 75411, 87723, 98553, 108927, 126711, 140049, 154791, 159201, 204687, 226233, 229957, 295659, 326781, 380133, 420147, 477603, 614061, 689871, 886977, 980343, 1140399, 1432809, 2069613, 2660931, 2941029, 4298427, 6208839, 7982793, 18626517, 55879551]

約数ペア:

[(1, 55879551), (3, 18626517), (7, 7982793), (9, 6208839), (13, 4298427), (19, 2941029), (21, 2660931), (27, 2069613), (39, 1432809), (49, 1140399), (57, 980343), (63, 886977), (81, 689871), (91, 614061), (117, 477603), (133, 420147), (147, 380133), (171, 326781), (189, 295659), (243, 229957), (247, 226233), (273, 204687), (351, 159201), (361, 154791), (399, 140049), (441, 126711), (513, 108927), (567, 98553), (637, 87723), (741, 75411), (819, 68229), (931, 60021), (1053, 53067), (1083, 51597), (1197, 46683), (1323, 42237), (1539, 36309), (1701, 32851), (1729, 32319), (1911, 29241), (2223, 25137), (2457, 22743), (2527, 22113), (2793, 20007), (3159, 17689), (3249, 17199), (3591, 15561), (3969, 14079), (4617, 12103), (4693, 11907), (5187, 10773), (5733, 9747), (6669, 8379), (7371, 7581)]