217086549

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{53881}}^1$

素因数の和:53980

約数の個数: 16

約数和(自身を含む): 310360320

約数和(自身を除く): 93273771

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 53881, 161643, 915977, 2747931, 4256599, 12769797, 72362183, 217086549]

約数ペア:

[(1, 217086549), (3, 72362183), (17, 12769797), (51, 4256599), (79, 2747931), (237, 915977), (1343, 161643), (4029, 53881)]