203431557

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2609}}^1$

素因数の和:2745

約数の個数: 32

約数和(自身を含む): 320716800

約数和(自身を除く): 117285243

約数列:

[1, 3, 7, 21, 47, 79, 141, 237, 329, 553, 987, 1659, 2609, 3713, 7827, 11139, 18263, 25991, 54789, 77973, 122623, 206111, 367869, 618333, 858361, 1442777, 2575083, 4328331, 9687217, 29061651, 67810519, 203431557]

約数ペア:

[(1, 203431557), (3, 67810519), (7, 29061651), (21, 9687217), (47, 4328331), (79, 2575083), (141, 1442777), (237, 858361), (329, 618333), (553, 367869), (987, 206111), (1659, 122623), (2609, 77973), (3713, 54789), (7827, 25991), (11139, 18263)]