16838721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 25954344

約数和(自身を除く): 9115623

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 701, 1413, 2103, 2669, 6309, 8007, 11917, 24021, 35751, 107253, 110057, 330171, 990513, 1870969, 5612907, 16838721]

約数ペア:

[(1, 16838721), (3, 5612907), (9, 1870969), (17, 990513), (51, 330171), (153, 110057), (157, 107253), (471, 35751), (701, 24021), (1413, 11917), (2103, 8007), (2669, 6309)]