542781531

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{138007}}^1$

素因数の和:138055

約数の個数: 24

約数和(自身を含む): 861169920

約数和(自身を除く): 318388389

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 138007, 414021, 1242063, 2622133, 3174161, 7866399, 9522483, 23599197, 28567449, 60309059, 180927177, 542781531]

約数ペア:

[(1, 542781531), (3, 180927177), (9, 60309059), (19, 28567449), (23, 23599197), (57, 9522483), (69, 7866399), (171, 3174161), (207, 2622133), (437, 1242063), (1311, 414021), (3933, 138007)]