219975701

素因数分解:

${\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 258249600

約数和(自身を除く): 38273899

約数列:

[1, 11, 29, 41, 121, 139, 319, 451, 1189, 1331, 1529, 3509, 4031, 4961, 5699, 13079, 16819, 38599, 44341, 54571, 62689, 143869, 165271, 185009, 487751, 689579, 1582559, 1817981, 5365261, 7585369, 19997791, 219975701]

約数ペア:

[(1, 219975701), (11, 19997791), (29, 7585369), (41, 5365261), (121, 1817981), (139, 1582559), (319, 689579), (451, 487751), (1189, 185009), (1331, 165271), (1529, 143869), (3509, 62689), (4031, 54571), (4961, 44341), (5699, 38599), (13079, 16819)]