128333079

素因数分解:

$3^4\times 7^1\times {\mathrm{226337}}^1$

素因数の和:226356

約数の個数: 20

約数和(自身を含む): 219095184

約数和(自身を除く): 90762105

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 226337, 679011, 1584359, 2037033, 4753077, 6111099, 14259231, 18333297, 42777693, 128333079]

約数ペア:

[(1, 128333079), (3, 42777693), (7, 18333297), (9, 14259231), (21, 6111099), (27, 4753077), (63, 2037033), (81, 1584359), (189, 679011), (567, 226337)]