1308331017

素因数分解:

$3^2\times 7^2\times {\mathrm{2966737}}^1$

素因数の和:2966757

約数の個数: 18

約数和(自身を含む): 2198352858

約数和(自身を除く): 890021841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2966737, 8900211, 20767159, 26700633, 62301477, 145370113, 186904431, 436110339, 1308331017]

約数ペア:

[(1, 1308331017), (3, 436110339), (7, 186904431), (9, 145370113), (21, 62301477), (49, 26700633), (63, 20767159), (147, 8900211), (441, 2966737)]