256670211

素因数分解:

$3^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{11971}}^1$

素因数の和:13002

約数の個数: 16

約数和(自身を含む): 391532288

約数和(自身を除く): 134862077

約数列:

[1, 3, 7, 21, 1021, 3063, 7147, 11971, 21441, 35913, 83797, 251391, 12222391, 36667173, 85556737, 256670211]

約数ペア:

[(1, 256670211), (3, 85556737), (7, 36667173), (21, 12222391), (1021, 251391), (3063, 83797), (7147, 35913), (11971, 21441)]