199372803

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 311150592

約数和(自身を除く): 111777789

約数列:

[1, 3, 7, 21, 53, 159, 271, 371, 661, 813, 1113, 1897, 1983, 4627, 5691, 13881, 14363, 35033, 43089, 100541, 105099, 179131, 245231, 301623, 537393, 735693, 1253917, 3761751, 9493943, 28481829, 66457601, 199372803]

約数ペア:

[(1, 199372803), (3, 66457601), (7, 28481829), (21, 9493943), (53, 3761751), (159, 1253917), (271, 735693), (371, 537393), (661, 301623), (813, 245231), (1113, 179131), (1897, 105099), (1983, 100541), (4627, 43089), (5691, 35033), (13881, 14363)]