199185

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{271}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 372096

約数和(自身を除く): 172911

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 271, 735, 813, 1355, 1897, 4065, 5691, 9485, 13279, 28455, 39837, 66395, 199185]

約数ペア:

[(1, 199185), (3, 66395), (5, 39837), (7, 28455), (15, 13279), (21, 9485), (35, 5691), (49, 4065), (105, 1897), (147, 1355), (245, 813), (271, 735)]