321006987

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{7207}}^1$

素因数の和:7328

約数の個数: 36

約数和(自身を含む): 544795056

約数和(自身を除く): 223788069

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 303, 441, 707, 909, 2121, 4949, 6363, 7207, 14847, 21621, 44541, 50449, 64863, 151347, 353143, 454041, 727907, 1059429, 2183721, 3178287, 5095349, 6551163, 15286047, 35667443, 45858141, 107002329, 321006987]

約数ペア:

[(1, 321006987), (3, 107002329), (7, 45858141), (9, 35667443), (21, 15286047), (49, 6551163), (63, 5095349), (101, 3178287), (147, 2183721), (303, 1059429), (441, 727907), (707, 454041), (909, 353143), (2121, 151347), (4949, 64863), (6363, 50449), (7207, 44541), (14847, 21621)]