201580281

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{9221}}^1$

素因数の和:9581

約数の個数: 24

約数和(自身を含む): 333762624

約数和(自身を除く): 132182343

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 2429, 3123, 7287, 9221, 21861, 27663, 64547, 82989, 193641, 580923, 3199687, 9599061, 22397809, 28797183, 67193427, 201580281]

約数ペア:

[(1, 201580281), (3, 67193427), (7, 28797183), (9, 22397809), (21, 9599061), (63, 3199687), (347, 580923), (1041, 193641), (2429, 82989), (3123, 64547), (7287, 27663), (9221, 21861)]