2553759

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 4225104

約数和(自身を除く): 1671345

約数列:

[1, 3, 9, 13, 23, 39, 69, 73, 117, 169, 207, 219, 299, 507, 657, 897, 949, 1521, 1679, 2691, 2847, 3887, 5037, 8541, 11661, 12337, 15111, 21827, 34983, 37011, 65481, 111033, 196443, 283751, 851253, 2553759]

約数ペア:

[(1, 2553759), (3, 851253), (9, 283751), (13, 196443), (23, 111033), (39, 65481), (69, 37011), (73, 34983), (117, 21827), (169, 15111), (207, 12337), (219, 11661), (299, 8541), (507, 5037), (657, 3887), (897, 2847), (949, 2691), (1521, 1679)]