1989015357

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{681403}}^1$

素因数の和:681552

約数の個数: 16

約数和(自身を含む): 3052689920

約数和(自身を除く): 1063674563

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 681403, 2044209, 4769821, 14309463, 94715017, 284145051, 663005119, 1989015357]

約数ペア:

[(1, 1989015357), (3, 663005119), (7, 284145051), (21, 94715017), (139, 14309463), (417, 4769821), (973, 2044209), (2919, 681403)]