127840638

素因数分解:

$2^1\times 3^1\times {\mathrm{1039}}^1\times {\mathrm{20507}}^1$

素因数の和:21551

約数の個数: 16

約数和(自身を含む): 255939840

約数和(自身を除く): 128099202

約数列:

[1, 2, 3, 6, 1039, 2078, 3117, 6234, 20507, 41014, 61521, 123042, 21306773, 42613546, 63920319, 127840638]

約数ペア:

[(1, 127840638), (2, 63920319), (3, 42613546), (6, 21306773), (1039, 123042), (2078, 61521), (3117, 41014), (6234, 20507)]