2166605

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 3005184

約数和(自身を除く): 838579

約数列:

[1, 5, 7, 35, 103, 515, 601, 721, 3005, 3605, 4207, 21035, 61903, 309515, 433321, 2166605]

約数ペア:

[(1, 2166605), (5, 433321), (7, 309515), (35, 61903), (103, 21035), (515, 4207), (601, 3605), (721, 3005)]