209212539

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{5639}}^1$

素因数の和:5874

約数の個数: 16

約数和(自身を含む): 284256000

約数和(自身を除く): 75043461

約数列:

[1, 3, 83, 149, 249, 447, 5639, 12367, 16917, 37101, 468037, 840211, 1404111, 2520633, 69737513, 209212539]

約数ペア:

[(1, 209212539), (3, 69737513), (83, 2520633), (149, 1404111), (249, 840211), (447, 468037), (5639, 37101), (12367, 16917)]