9805985

素因数分解:

$5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 13499136

約数和(自身を除く): 3693151

約数列:

[1, 5, 7, 35, 503, 557, 2515, 2785, 3521, 3899, 17605, 19495, 280171, 1400855, 1961197, 9805985]

約数ペア:

[(1, 9805985), (5, 1961197), (7, 1400855), (35, 280171), (503, 19495), (557, 17605), (2515, 3899), (2785, 3521)]