640083003

素因数分解:

$3^1\times 7^1\times {\mathrm{6481}}^1\times {\mathrm{4703}}^1$

素因数の和:11194

約数の個数: 16

約数和(自身を含む): 975722496

約数和(自身を除く): 335639493

約数列:

[1, 3, 7, 21, 4703, 6481, 14109, 19443, 32921, 45367, 98763, 136101, 30480143, 91440429, 213361001, 640083003]

約数ペア:

[(1, 640083003), (3, 213361001), (7, 91440429), (21, 30480143), (4703, 136101), (6481, 98763), (14109, 45367), (19443, 32921)]