27721323

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23159}}^1$

素因数の和:23191

約数の個数: 24

約数和(自身を含む): 48172800

約数和(自身を除く): 20451477

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23159, 69477, 162113, 208431, 440021, 486339, 1320063, 1459017, 3080147, 3960189, 9240441, 27721323]

約数ペア:

[(1, 27721323), (3, 9240441), (7, 3960189), (9, 3080147), (19, 1459017), (21, 1320063), (57, 486339), (63, 440021), (133, 208431), (171, 162113), (399, 69477), (1197, 23159)]