27721617

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2927}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 47222784

約数和(自身を除く): 19501167

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2927, 3157, 8781, 9471, 20489, 32197, 61467, 96591, 120007, 225379, 360021, 676137, 840049, 1320077, 2520147, 3960231, 9240539, 27721617]

約数ペア:

[(1, 27721617), (3, 9240539), (7, 3960231), (11, 2520147), (21, 1320077), (33, 840049), (41, 676137), (77, 360021), (123, 225379), (231, 120007), (287, 96591), (451, 61467), (861, 32197), (1353, 20489), (2927, 9471), (3157, 8781)]