78857217

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{1531}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 117106080

約数和(自身を除く): 38248863

約数列:

[1, 3, 9, 59, 97, 177, 291, 531, 873, 1531, 4593, 5723, 13779, 17169, 51507, 90329, 148507, 270987, 445521, 812961, 1336563, 8761913, 26285739, 78857217]

約数ペア:

[(1, 78857217), (3, 26285739), (9, 8761913), (59, 1336563), (97, 812961), (177, 445521), (291, 270987), (531, 148507), (873, 90329), (1531, 51507), (4593, 17169), (5723, 13779)]