71299221

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{16091}}^1$

素因数の和:16312

約数の個数: 16

約数和(自身を含む): 109168128

約数和(自身を除く): 37868907

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 16091, 48273, 112637, 337911, 3395201, 10185603, 23766407, 71299221]

約数ペア:

[(1, 71299221), (3, 23766407), (7, 10185603), (21, 3395201), (211, 337911), (633, 112637), (1477, 48273), (4431, 16091)]