2858121

素因数分解:

$3^2\times 7^2\times {\mathrm{6481}}^1$

素因数の和:6501

約数の個数: 18

約数和(自身を含む): 4803162

約数和(自身を除く): 1945041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6481, 19443, 45367, 58329, 136101, 317569, 408303, 952707, 2858121]

約数ペア:

[(1, 2858121), (3, 952707), (7, 408303), (9, 317569), (21, 136101), (49, 58329), (63, 45367), (147, 19443), (441, 6481)]