138165741

素因数分解:

$3^2\times 7^2\times {\mathrm{313301}}^1$

素因数の和:313321

約数の個数: 18

約数和(自身を含む): 232156782

約数和(自身を除く): 93991041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 313301, 939903, 2193107, 2819709, 6579321, 15351749, 19737963, 46055247, 138165741]

約数ペア:

[(1, 138165741), (3, 46055247), (7, 19737963), (9, 15351749), (21, 6579321), (49, 2819709), (63, 2193107), (147, 939903), (441, 313301)]