1997793

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 3473600

約数和(自身を除く): 1475807

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1669, 5007, 11683, 15021, 31711, 35049, 95133, 105147, 221977, 285399, 665931, 1997793]

約数ペア:

[(1, 1997793), (3, 665931), (7, 285399), (9, 221977), (19, 105147), (21, 95133), (57, 35049), (63, 31711), (133, 15021), (171, 11683), (399, 5007), (1197, 1669)]