138657897

素因数分解:

$3^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1373}}^1$

素因数の和:1622

約数の個数: 36

約数和(自身を含む): 234170820

約数和(自身を除く): 95512923

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 229, 441, 687, 1373, 1603, 2061, 4119, 4809, 9611, 11221, 12357, 14427, 28833, 33663, 67277, 86499, 100989, 201831, 314417, 605493, 943251, 2200919, 2829753, 6602757, 15406433, 19808271, 46219299, 138657897]

約数ペア:

[(1, 138657897), (3, 46219299), (7, 19808271), (9, 15406433), (21, 6602757), (49, 2829753), (63, 2200919), (147, 943251), (229, 605493), (441, 314417), (687, 201831), (1373, 100989), (1603, 86499), (2061, 67277), (4119, 33663), (4809, 28833), (9611, 14427), (11221, 12357)]