2568591

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1700

約数の個数: 20

約数和(自身を含む): 4041400

約数和(自身を除く): 1472809

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1669, 5007, 15021, 31711, 45063, 95133, 135189, 285399, 856197, 2568591]

約数ペア:

[(1, 2568591), (3, 856197), (9, 285399), (19, 135189), (27, 95133), (57, 45063), (81, 31711), (171, 15021), (513, 5007), (1539, 1669)]