199932495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{16001}}^1$

素因数の和:16040

約数の個数: 48

約数和(自身を含む): 394033248

約数和(自身を除く): 194100753

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 12495, 16001, 48003, 80005, 112007, 240015, 272017, 336021, 560035, 784049, 816051, 1360085, 1680105, 1904119, 2352147, 3920245, 4080255, 5712357, 9520595, 11760735, 13328833, 28561785, 39986499, 66644165, 199932495]

約数ペア:

[(1, 199932495), (3, 66644165), (5, 39986499), (7, 28561785), (15, 13328833), (17, 11760735), (21, 9520595), (35, 5712357), (49, 4080255), (51, 3920245), (85, 2352147), (105, 1904119), (119, 1680105), (147, 1360085), (245, 816051), (255, 784049), (357, 560035), (595, 336021), (735, 272017), (833, 240015), (1785, 112007), (2499, 80005), (4165, 48003), (12495, 16001)]