221477319

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{185027}}^1$

素因数の和:185059

約数の個数: 24

約数和(自身を含む): 384858240

約数和(自身を除く): 163380921

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 185027, 555081, 1295189, 1665243, 3515513, 3885567, 10546539, 11656701, 24608591, 31639617, 73825773, 221477319]

約数ペア:

[(1, 221477319), (3, 73825773), (7, 31639617), (9, 24608591), (19, 11656701), (21, 10546539), (57, 3885567), (63, 3515513), (133, 1665243), (171, 1295189), (399, 555081), (1197, 185027)]