12798639

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 21245952

約数和(自身を除く): 8447313

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 911, 1561, 2007, 2733, 4683, 6377, 8199, 14049, 19131, 57393, 203153, 609459, 1422071, 1828377, 4266213, 12798639]

約数ペア:

[(1, 12798639), (3, 4266213), (7, 1828377), (9, 1422071), (21, 609459), (63, 203153), (223, 57393), (669, 19131), (911, 14049), (1561, 8199), (2007, 6377), (2733, 4683)]