81315927

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{39113}}^1$

素因数の和:39140

約数の個数: 32

約数和(自身を含む): 150197760

約数和(自身を除く): 68881833

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 39113, 117339, 273791, 352017, 430243, 821373, 1056051, 1290729, 2464119, 3011701, 3872187, 7392357, 9035103, 11616561, 27105309, 81315927]

約数ペア:

[(1, 81315927), (3, 27105309), (7, 11616561), (9, 9035103), (11, 7392357), (21, 3872187), (27, 3011701), (33, 2464119), (63, 1290729), (77, 1056051), (99, 821373), (189, 430243), (231, 352017), (297, 273791), (693, 117339), (2079, 39113)]