2157009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 3075072

約数和(自身を除く): 918063

約数列:

[1, 3, 23, 43, 69, 129, 727, 989, 2181, 2967, 16721, 31261, 50163, 93783, 719003, 2157009]

約数ペア:

[(1, 2157009), (3, 719003), (23, 93783), (43, 50163), (69, 31261), (129, 16721), (727, 2967), (989, 2181)]