2013205

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 2519424

約数和(自身を除く): 506219

約数列:

[1, 5, 53, 71, 107, 265, 355, 535, 3763, 5671, 7597, 18815, 28355, 37985, 402641, 2013205]

約数ペア:

[(1, 2013205), (5, 402641), (53, 37985), (71, 28355), (107, 18815), (265, 7597), (355, 5671), (535, 3763)]