2139963

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 3284736

約数和(自身を除く): 1144773

約数列:

[1, 3, 7, 21, 181, 543, 563, 1267, 1689, 3801, 3941, 11823, 101903, 305709, 713321, 2139963]

約数ペア:

[(1, 2139963), (3, 713321), (7, 305709), (21, 101903), (181, 11823), (543, 3941), (563, 3801), (1267, 1689)]