2021808639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{398543}}^1$

素因数の和:398654

約数の個数: 16

約数和(自身を含む): 2869516800

約数和(自身を除く): 847708161

約数列:

[1, 3, 19, 57, 89, 267, 1691, 5073, 398543, 1195629, 7572317, 22716951, 35470327, 106410981, 673936213, 2021808639]

約数ペア:

[(1, 2021808639), (3, 673936213), (19, 106410981), (57, 35470327), (89, 22716951), (267, 7572317), (1691, 1195629), (5073, 398543)]