27911195

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 40318560

約数和(自身を除く): 12407365

約数列:

[1, 5, 13, 17, 29, 65, 67, 85, 145, 169, 221, 335, 377, 493, 845, 871, 1105, 1139, 1885, 1943, 2465, 2873, 4355, 4901, 5695, 6409, 9715, 11323, 14365, 14807, 24505, 25259, 32045, 33031, 56615, 74035, 83317, 126295, 165155, 192491, 328367, 416585, 429403, 962455, 1641835, 2147015, 5582239, 27911195]

約数ペア:

[(1, 27911195), (5, 5582239), (13, 2147015), (17, 1641835), (29, 962455), (65, 429403), (67, 416585), (85, 328367), (145, 192491), (169, 165155), (221, 126295), (335, 83317), (377, 74035), (493, 56615), (845, 33031), (871, 32045), (1105, 25259), (1139, 24505), (1885, 14807), (1943, 14365), (2465, 11323), (2873, 9715), (4355, 6409), (4901, 5695)]