1987545597

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{391789}}^1$

素因数の和:391900

約数の個数: 16

約数和(自身を含む): 2820888000

約数和(自身を除く): 833342403

約数列:

[1, 3, 19, 57, 89, 267, 1691, 5073, 391789, 1175367, 7443991, 22331973, 34869221, 104607663, 662515199, 1987545597]

約数ペア:

[(1, 1987545597), (3, 662515199), (19, 104607663), (57, 34869221), (89, 22331973), (267, 7443991), (1691, 1175367), (5073, 391789)]