209976009

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{18289}}^1$

素因数の和:18424

約数の個数: 16

約数和(自身を含む): 289713600

約数和(自身を除く): 79737591

約数列:

[1, 3, 43, 89, 129, 267, 3827, 11481, 18289, 54867, 786427, 1627721, 2359281, 4883163, 69992003, 209976009]

約数ペア:

[(1, 209976009), (3, 69992003), (43, 4883163), (89, 2359281), (129, 1627721), (267, 786427), (3827, 54867), (11481, 18289)]