214949847

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{217781}}^1$

素因数の和:217838

約数の個数: 16

約数和(自身を含む): 334513152

約数和(自身を除く): 119563305

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 217781, 653343, 1524467, 4573401, 10235707, 30707121, 71649949, 214949847]

約数ペア:

[(1, 214949847), (3, 71649949), (7, 30707121), (21, 10235707), (47, 4573401), (141, 1524467), (329, 653343), (987, 217781)]