247492791

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{302189}}^1$

素因数の和:302215

約数の個数: 24

約数和(自身を含む): 439988640

約数和(自身を除く): 192495849

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 302189, 906567, 2115323, 2719701, 3928457, 6345969, 11785371, 19037907, 27499199, 35356113, 82497597, 247492791]

約数ペア:

[(1, 247492791), (3, 82497597), (7, 35356113), (9, 27499199), (13, 19037907), (21, 11785371), (39, 6345969), (63, 3928457), (91, 2719701), (117, 2115323), (273, 906567), (819, 302189)]