203908947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3001}}^1$

素因数の和:3115

約数の個数: 32

約数和(自身を含む): 311247360

約数和(自身を除く): 107338413

約数列:

[1, 3, 11, 29, 33, 71, 87, 213, 319, 781, 957, 2059, 2343, 3001, 6177, 9003, 22649, 33011, 67947, 87029, 99033, 213071, 261087, 639213, 957319, 2343781, 2871957, 6179059, 7031343, 18537177, 67969649, 203908947]

約数ペア:

[(1, 203908947), (3, 67969649), (11, 18537177), (29, 7031343), (33, 6179059), (71, 2871957), (87, 2343781), (213, 957319), (319, 639213), (781, 261087), (957, 213071), (2059, 99033), (2343, 87029), (3001, 67947), (6177, 33011), (9003, 22649)]