13319523

素因数分解:

$3^2\times 7^2\times {\mathrm{30203}}^1$

素因数の和:30223

約数の個数: 18

約数和(自身を含む): 22381164

約数和(自身を除く): 9061641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30203, 90609, 211421, 271827, 634263, 1479947, 1902789, 4439841, 13319523]

約数ペア:

[(1, 13319523), (3, 4439841), (7, 1902789), (9, 1479947), (21, 634263), (49, 271827), (63, 211421), (147, 90609), (441, 30203)]