201239355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{16421}}^1$

素因数の和:16491

約数の個数: 32

約数和(自身を含む): 346832640

約数和(自身を除く): 145593285

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 4085, 12255, 16421, 49263, 82105, 246315, 311999, 706103, 935997, 1559995, 2118309, 3530515, 4679985, 10591545, 13415957, 40247871, 67079785, 201239355]

約数ペア:

[(1, 201239355), (3, 67079785), (5, 40247871), (15, 13415957), (19, 10591545), (43, 4679985), (57, 3530515), (95, 2118309), (129, 1559995), (215, 935997), (285, 706103), (645, 311999), (817, 246315), (2451, 82105), (4085, 49263), (12255, 16421)]