66721365

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7027}}^1$

素因数の和:7249

約数の個数: 24

約数和(自身を含む): 116215008

約数和(自身を除く): 49493643

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 7027, 9495, 21081, 35135, 63243, 105405, 316215, 1482697, 4448091, 7413485, 13344273, 22240455, 66721365]

約数ペア:

[(1, 66721365), (3, 22240455), (5, 13344273), (9, 7413485), (15, 4448091), (45, 1482697), (211, 316215), (633, 105405), (1055, 63243), (1899, 35135), (3165, 21081), (7027, 9495)]