138468351

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{212701}}^1$

素因数の和:212742

約数の個数: 16

約数和(自身を含む): 217806848

約数和(自身を除く): 79338497

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 212701, 638103, 1488907, 4466721, 6593731, 19781193, 46156117, 138468351]

約数ペア:

[(1, 138468351), (3, 46156117), (7, 19781193), (21, 6593731), (31, 4466721), (93, 1488907), (217, 638103), (651, 212701)]