221420319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{9227}}^1$

素因数の和:9670

約数の個数: 16

約数和(自身を含む): 311537280

約数和(自身を除く): 90116961

約数列:

[1, 3, 19, 57, 421, 1263, 7999, 9227, 23997, 27681, 175313, 525939, 3884567, 11653701, 73806773, 221420319]

約数ペア:

[(1, 221420319), (3, 73806773), (19, 11653701), (57, 3884567), (421, 525939), (1263, 175313), (7999, 27681), (9227, 23997)]