2559963

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 3933440

約数和(自身を除く): 1373477

約数列:

[1, 3, 7, 21, 139, 417, 877, 973, 2631, 2919, 6139, 18417, 121903, 365709, 853321, 2559963]

約数ペア:

[(1, 2559963), (3, 853321), (7, 365709), (21, 121903), (139, 18417), (417, 6139), (877, 2919), (973, 2631)]