28001859

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{727}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 38508288

約数和(自身を除く): 10506429

約数列:

[1, 3, 37, 111, 347, 727, 1041, 2181, 12839, 26899, 38517, 80697, 252269, 756807, 9333953, 28001859]

約数ペア:

[(1, 28001859), (3, 9333953), (37, 756807), (111, 252269), (347, 80697), (727, 38517), (1041, 26899), (2181, 12839)]