128535729

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 202076160

約数和(自身を除く): 73540431

約数列:

[1, 3, 7, 21, 43, 129, 137, 301, 411, 903, 959, 1039, 2877, 3117, 5891, 7273, 17673, 21819, 41237, 44677, 123711, 134031, 142343, 312739, 427029, 938217, 996401, 2989203, 6120749, 18362247, 42845243, 128535729]

約数ペア:

[(1, 128535729), (3, 42845243), (7, 18362247), (21, 6120749), (43, 2989203), (129, 996401), (137, 938217), (301, 427029), (411, 312739), (903, 142343), (959, 134031), (1039, 123711), (2877, 44677), (3117, 41237), (5891, 21819), (7273, 17673)]