219906057

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{551143}}^1$

素因数の和:551172

約数の個数: 16

約数和(自身を含む): 352732160

約数和(自身を除く): 132826103

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 551143, 1653429, 3858001, 10471717, 11574003, 31415151, 73302019, 219906057]

約数ペア:

[(1, 219906057), (3, 73302019), (7, 31415151), (19, 11574003), (21, 10471717), (57, 3858001), (133, 1653429), (399, 551143)]