210654321

素因数分解:

$3^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1\times {\mathrm{853}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 283172736

約数和(自身を除く): 72518415

約数列:

[1, 3, 263, 313, 789, 853, 939, 2559, 82319, 224339, 246957, 266989, 673017, 800967, 70218107, 210654321]

約数ペア:

[(1, 210654321), (3, 70218107), (263, 800967), (313, 673017), (789, 266989), (853, 246957), (939, 224339), (2559, 82319)]