28311879

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 38568960

約数和(自身を除く): 10257081

約数列:

[1, 3, 89, 107, 267, 321, 991, 2973, 9523, 28569, 88199, 106037, 264597, 318111, 9437293, 28311879]

約数ペア:

[(1, 28311879), (3, 9437293), (89, 318111), (107, 264597), (267, 106037), (321, 88199), (991, 28569), (2973, 9523)]