28879809

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5479}}^1$

素因数の和:5740

約数の個数: 16

約数和(自身を含む): 44190720

約数和(自身を除く): 15310911

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 5479, 16437, 38353, 115059, 1375229, 4125687, 9626603, 28879809]

約数ペア:

[(1, 28879809), (3, 9626603), (7, 4125687), (21, 1375229), (251, 115059), (753, 38353), (1757, 16437), (5271, 5479)]