291228489

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{967}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 426345920

約数和(自身を除く): 135117431

約数列:

[1, 3, 9, 109, 307, 327, 921, 967, 981, 2763, 2901, 8703, 33463, 100389, 105403, 296869, 301167, 316209, 890607, 948627, 2671821, 32358721, 97076163, 291228489]

約数ペア:

[(1, 291228489), (3, 97076163), (9, 32358721), (109, 2671821), (307, 948627), (327, 890607), (921, 316209), (967, 301167), (981, 296869), (2763, 105403), (2901, 100389), (8703, 33463)]