257020011

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{51829}}^1$

素因数の和:51883

約数の個数: 24

約数和(自身を含む): 404274000

約数和(自身を除く): 147253989

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 51829, 155487, 466461, 984751, 1503041, 2954253, 4509123, 8862759, 13527369, 28557779, 85673337, 257020011]

約数ペア:

[(1, 257020011), (3, 85673337), (9, 28557779), (19, 13527369), (29, 8862759), (57, 4509123), (87, 2954253), (171, 1503041), (261, 984751), (551, 466461), (1653, 155487), (4959, 51829)]