201988143

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{12379}}^1$

素因数の和:12436

約数の個数: 36

約数和(自身を含む): 348596040

約数和(自身を除く): 146607897

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 12379, 16317, 37137, 86653, 111411, 259959, 458023, 606571, 779877, 1374069, 1819713, 3206161, 4122207, 5459139, 9618483, 22443127, 28855449, 67329381, 201988143]

約数ペア:

[(1, 201988143), (3, 67329381), (7, 28855449), (9, 22443127), (21, 9618483), (37, 5459139), (49, 4122207), (63, 3206161), (111, 1819713), (147, 1374069), (259, 779877), (333, 606571), (441, 458023), (777, 259959), (1813, 111411), (2331, 86653), (5439, 37137), (12379, 16317)]