27817839

素因数分解:

$3^2\times 7^2\times {\mathrm{63079}}^1$

素因数の和:63099

約数の個数: 18

約数和(自身を含む): 46742280

約数和(自身を除く): 18924441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63079, 189237, 441553, 567711, 1324659, 3090871, 3973977, 9272613, 27817839]

約数ペア:

[(1, 27817839), (3, 9272613), (7, 3973977), (9, 3090871), (21, 1324659), (49, 567711), (63, 441553), (147, 189237), (441, 63079)]