128355759

素因数分解:

$3^6\times 7^1\times {\mathrm{25153}}^1$

素因数の和:25178

約数の個数: 28

約数和(自身を含む): 219946576

約数和(自身を除く): 91590817

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 25153, 75459, 176071, 226377, 528213, 679131, 1584639, 2037393, 4753917, 6112179, 14261751, 18336537, 42785253, 128355759]

約数ペア:

[(1, 128355759), (3, 42785253), (7, 18336537), (9, 14261751), (21, 6112179), (27, 4753917), (63, 2037393), (81, 1584639), (189, 679131), (243, 528213), (567, 226377), (729, 176071), (1701, 75459), (5103, 25153)]