28520139

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 38707200

約数和(自身を除く): 10187061

約数列:

[1, 3, 89, 223, 267, 479, 669, 1437, 19847, 42631, 59541, 106817, 127893, 320451, 9506713, 28520139]

約数ペア:

[(1, 28520139), (3, 9506713), (89, 320451), (223, 127893), (267, 106817), (479, 59541), (669, 42631), (1437, 19847)]