198804555

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{40531}}^1$

素因数の和:40651

約数の個数: 24

約数和(自身を含む): 347764560

約数和(自身を除く): 148960005

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 40531, 121593, 202655, 364779, 607965, 1823895, 4417879, 13253637, 22089395, 39760911, 66268185, 198804555]

約数ペア:

[(1, 198804555), (3, 66268185), (5, 39760911), (9, 22089395), (15, 13253637), (45, 4417879), (109, 1823895), (327, 607965), (545, 364779), (981, 202655), (1635, 121593), (4905, 40531)]