1999490079

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{27481}}^1$

素因数の和:27870

約数の個数: 16

約数和(自身を含む): 2708625920

約数和(自身を除く): 709135841

約数列:

[1, 3, 79, 237, 307, 921, 24253, 27481, 72759, 82443, 2170999, 6512997, 8436667, 25310001, 666496693, 1999490079]

約数ペア:

[(1, 1999490079), (3, 666496693), (79, 25310001), (237, 8436667), (307, 6512997), (921, 2170999), (24253, 82443), (27481, 72759)]