128835441

素因数分解:

$3^6\times 7^1\times {\mathrm{25247}}^1$

素因数の和:25272

約数の個数: 28

約数和(自身を含む): 220768512

約数和(自身を除く): 91933071

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 25247, 75741, 176729, 227223, 530187, 681669, 1590561, 2045007, 4771683, 6135021, 14315049, 18405063, 42945147, 128835441]

約数ペア:

[(1, 128835441), (3, 42945147), (7, 18405063), (9, 14315049), (21, 6135021), (27, 4771683), (63, 2045007), (81, 1590561), (189, 681669), (243, 530187), (567, 227223), (729, 176729), (1701, 75741), (5103, 25247)]