201812331

素因数分解:

$3^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{1697}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 313586640

約数和(自身を除く): 111774309

約数列:

[1, 3, 7, 21, 49, 147, 809, 1697, 2427, 5091, 5663, 11879, 16989, 35637, 39641, 83153, 118923, 249459, 1372873, 4118619, 9610111, 28830333, 67270777, 201812331]

約数ペア:

[(1, 201812331), (3, 67270777), (7, 28830333), (21, 9610111), (49, 4118619), (147, 1372873), (809, 249459), (1697, 118923), (2427, 83153), (5091, 39641), (5663, 35637), (11879, 16989)]