2159913

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 3316736

約数和(自身を除く): 1156823

約数列:

[1, 3, 7, 21, 163, 489, 631, 1141, 1893, 3423, 4417, 13251, 102853, 308559, 719971, 2159913]

約数ペア:

[(1, 2159913), (3, 719971), (7, 308559), (21, 102853), (163, 13251), (489, 4417), (631, 3423), (1141, 1893)]