81180057

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{13757}}^1$

素因数の和:14048

約数の個数: 16

約数和(自身を含む): 124152192

約数和(自身を除く): 42972135

約数列:

[1, 3, 7, 21, 281, 843, 1967, 5901, 13757, 41271, 96299, 288897, 3865717, 11597151, 27060019, 81180057]

約数ペア:

[(1, 81180057), (3, 27060019), (7, 11597151), (21, 3865717), (281, 288897), (843, 96299), (1967, 41271), (5901, 13757)]