68320287

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1621}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 116264960

約数和(自身を除く): 47944673

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 669, 1561, 1621, 2007, 4683, 4863, 6021, 11347, 14049, 14589, 34041, 42147, 43767, 102123, 306369, 361483, 1084449, 2530381, 3253347, 7591143, 9760041, 22773429, 68320287]

約数ペア:

[(1, 68320287), (3, 22773429), (7, 9760041), (9, 7591143), (21, 3253347), (27, 2530381), (63, 1084449), (189, 361483), (223, 306369), (669, 102123), (1561, 43767), (1621, 42147), (2007, 34041), (4683, 14589), (4863, 14049), (6021, 11347)]