28397787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6569}}^1$

素因数の和:6714

約数の個数: 16

約数和(自身を含む): 41627520

約数和(自身を除く): 13229733

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 6569, 19707, 72259, 216777, 860539, 2581617, 9465929, 28397787]

約数ペア:

[(1, 28397787), (3, 9465929), (11, 2581617), (33, 860539), (131, 216777), (393, 72259), (1441, 19707), (4323, 6569)]