149890167

素因数分解:

$3^2\times 7^2\times {\mathrm{339887}}^1$

素因数の和:339907

約数の個数: 18

約数和(自身を含む): 251857008

約数和(自身を除く): 101966841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 339887, 1019661, 2379209, 3058983, 7137627, 16654463, 21412881, 49963389, 149890167]

約数ペア:

[(1, 149890167), (3, 49963389), (7, 21412881), (9, 16654463), (21, 7137627), (49, 3058983), (63, 2379209), (147, 1019661), (441, 339887)]