989989539

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4285669}}^1$

素因数の和:4285690

約数の個数: 16

約数和(自身を含む): 1645697280

約数和(自身を除く): 655707741

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 4285669, 12857007, 29999683, 47142359, 89999049, 141427077, 329996513, 989989539]

約数ペア:

[(1, 989989539), (3, 329996513), (7, 141427077), (11, 89999049), (21, 47142359), (33, 29999683), (77, 12857007), (231, 4285669)]