220539

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 16

約数和(自身を含む): 330624

約数和(自身を除く): 110085

約数列:

[1, 3, 11, 33, 41, 123, 163, 451, 489, 1353, 1793, 5379, 6683, 20049, 73513, 220539]

約数ペア:

[(1, 220539), (3, 73513), (11, 20049), (33, 6683), (41, 5379), (123, 1793), (163, 1353), (451, 489)]