71400021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{309091}}^1$

素因数の和:309112

約数の個数: 16

約数和(自身を含む): 118691328

約数和(自身を除く): 47291307

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 309091, 927273, 2163637, 3400001, 6490911, 10200003, 23800007, 71400021]

約数ペア:

[(1, 71400021), (3, 23800007), (7, 10200003), (11, 6490911), (21, 3400001), (33, 2163637), (77, 927273), (231, 309091)]