388542903

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{13417}}^1$

素因数の和:13631

約数の個数: 24

約数和(自身を含む): 605742192

約数和(自身を除く): 217199289

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 4137, 9653, 13417, 28959, 40251, 93919, 281757, 657433, 1972299, 2643149, 7929447, 18502043, 55506129, 129514301, 388542903]

約数ペア:

[(1, 388542903), (3, 129514301), (7, 55506129), (21, 18502043), (49, 7929447), (147, 2643149), (197, 1972299), (591, 657433), (1379, 281757), (4137, 93919), (9653, 40251), (13417, 28959)]