210823317

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{13627}}^1$

素因数の和:13830

約数の個数: 20

約数和(自身を含む): 316605696

約数和(自身を除く): 105782379

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 13627, 15471, 40881, 122643, 367929, 1103787, 2602757, 7808271, 23424813, 70274439, 210823317]

約数ペア:

[(1, 210823317), (3, 70274439), (9, 23424813), (27, 7808271), (81, 2602757), (191, 1103787), (573, 367929), (1719, 122643), (5157, 40881), (13627, 15471)]