206989905

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 336296448

約数和(自身を除く): 129306543

約数列:

[1, 3, 5, 15, 101, 303, 317, 431, 505, 951, 1293, 1515, 1585, 2155, 4755, 6465, 32017, 43531, 96051, 130593, 136627, 160085, 217655, 409881, 480255, 652965, 683135, 2049405, 13799327, 41397981, 68996635, 206989905]

約数ペア:

[(1, 206989905), (3, 68996635), (5, 41397981), (15, 13799327), (101, 2049405), (303, 683135), (317, 652965), (431, 480255), (505, 409881), (951, 217655), (1293, 160085), (1515, 136627), (1585, 130593), (2155, 96051), (4755, 43531), (6465, 32017)]