28487391

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 38586240

約数和(自身を除く): 10098849

約数列:

[1, 3, 131, 173, 393, 419, 519, 1257, 22663, 54889, 67989, 72487, 164667, 217461, 9495797, 28487391]

約数ペア:

[(1, 28487391), (3, 9495797), (131, 217461), (173, 164667), (393, 72487), (419, 67989), (519, 54889), (1257, 22663)]