9879987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4153}}^1$

素因数の和:4230

約数の個数: 16

約数和(自身を含む): 14422688

約数和(自身を除く): 4542701

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 4153, 12459, 53989, 161967, 253333, 759999, 3293329, 9879987]

約数ペア:

[(1, 9879987), (3, 3293329), (13, 759999), (39, 253333), (61, 161967), (183, 53989), (793, 12459), (2379, 4153)]