27911037

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 48492864

約数和(自身を除く): 20581827

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 421, 451, 539, 861, 1263, 1353, 1617, 2009, 2947, 3157, 4631, 6027, 8841, 9471, 13893, 17261, 20629, 22099, 32417, 51783, 61887, 66297, 97251, 120827, 189871, 226919, 362481, 569613, 680757, 845789, 1329097, 2537367, 3987291, 9303679, 27911037]

約数ペア:

[(1, 27911037), (3, 9303679), (7, 3987291), (11, 2537367), (21, 1329097), (33, 845789), (41, 680757), (49, 569613), (77, 362481), (123, 226919), (147, 189871), (231, 120827), (287, 97251), (421, 66297), (451, 61887), (539, 51783), (861, 32417), (1263, 22099), (1353, 20629), (1617, 17261), (2009, 13893), (2947, 9471), (3157, 8841), (4631, 6027)]