1299963

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 2003456

約数和(自身を除く): 703493

約数列:

[1, 3, 7, 21, 103, 309, 601, 721, 1803, 2163, 4207, 12621, 61903, 185709, 433321, 1299963]

約数ペア:

[(1, 1299963), (3, 433321), (7, 185709), (21, 61903), (103, 12621), (309, 4207), (601, 2163), (721, 1803)]