137123511

素因数分解:

$3^1\times 7^4\times {\mathrm{19037}}^1$

素因数の和:19068

約数の個数: 20

約数和(自身を含む): 213301752

約数和(自身を除く): 76178241

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 19037, 57111, 133259, 399777, 932813, 2798439, 6529691, 19589073, 45707837, 137123511]

約数ペア:

[(1, 137123511), (3, 45707837), (7, 19589073), (21, 6529691), (49, 2798439), (147, 932813), (343, 399777), (1029, 133259), (2401, 57111), (7203, 19037)]