188691489

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157637}}^1$

素因数の和:157669

約数の個数: 24

約数和(自身を含む): 327887040

約数和(自身を除く): 139195551

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 157637, 472911, 1103459, 1418733, 2995103, 3310377, 8985309, 9931131, 20965721, 26955927, 62897163, 188691489]

約数ペア:

[(1, 188691489), (3, 62897163), (7, 26955927), (9, 20965721), (19, 9931131), (21, 8985309), (57, 3310377), (63, 2995103), (133, 1418733), (171, 1103459), (399, 472911), (1197, 157637)]