78848889

素因数分解:

$3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{2137}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 122840928

約数和(自身を除く): 43992039

約数列:

[1, 3, 7, 21, 49, 147, 251, 753, 1757, 2137, 5271, 6411, 12299, 14959, 36897, 44877, 104713, 314139, 536387, 1609161, 3754709, 11264127, 26282963, 78848889]

約数ペア:

[(1, 78848889), (3, 26282963), (7, 11264127), (21, 3754709), (49, 1609161), (147, 536387), (251, 314139), (753, 104713), (1757, 44877), (2137, 36897), (5271, 14959), (6411, 12299)]