218078907

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{30763}}^1$

素因数の和:30922

約数の個数: 16

約数和(自身を含む): 310101120

約数和(自身を除く): 92022213

約数列:

[1, 3, 17, 51, 139, 417, 2363, 7089, 30763, 92289, 522971, 1568913, 4276057, 12828171, 72692969, 218078907]

約数ペア:

[(1, 218078907), (3, 72692969), (17, 12828171), (51, 4276057), (139, 1568913), (417, 522971), (2363, 92289), (7089, 30763)]