128308941

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{6311}}^1$

素因数の和:6574

約数の個数: 20

約数和(自身を含む): 192465504

約数和(自身を除く): 64156563

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6311, 6777, 18933, 20331, 56799, 170397, 511191, 1584061, 4752183, 14256549, 42769647, 128308941]

約数ペア:

[(1, 128308941), (3, 42769647), (9, 14256549), (27, 4752183), (81, 1584061), (251, 511191), (753, 170397), (2259, 56799), (6311, 20331), (6777, 18933)]