289089921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{220511}}^1$

素因数の和:220556

約数の個数: 16

約数和(自身を含む): 423383040

約数和(自身を除く): 134293119

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 220511, 661533, 4189709, 5071753, 12569127, 15215259, 96363307, 289089921]

約数ペア:

[(1, 289089921), (3, 96363307), (19, 15215259), (23, 12569127), (57, 5071753), (69, 4189709), (437, 661533), (1311, 220511)]