27721197

素因数分解:

$3^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 48688640

約数和(自身を除く): 20967443

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 379, 387, 567, 903, 1137, 1161, 1701, 2653, 2709, 3411, 3483, 7959, 8127, 10233, 10449, 16297, 23877, 24381, 30699, 48891, 71631, 73143, 92097, 114079, 146673, 214893, 342237, 440019, 644679, 1026711, 1320057, 3080133, 3960171, 9240399, 27721197]

約数ペア:

[(1, 27721197), (3, 9240399), (7, 3960171), (9, 3080133), (21, 1320057), (27, 1026711), (43, 644679), (63, 440019), (81, 342237), (129, 214893), (189, 146673), (243, 114079), (301, 92097), (379, 73143), (387, 71631), (567, 48891), (903, 30699), (1137, 24381), (1161, 23877), (1701, 16297), (2653, 10449), (2709, 10233), (3411, 8127), (3483, 7959)]