81427641

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{2131}}^1$

素因数の和:2452

約数の個数: 16

約数和(自身を含む): 111341568

約数和(自身を除く): 29913927

約数列:

[1, 3, 47, 141, 271, 813, 2131, 6393, 12737, 38211, 100157, 300471, 577501, 1732503, 27142547, 81427641]

約数ペア:

[(1, 81427641), (3, 27142547), (47, 1732503), (141, 577501), (271, 300471), (813, 100157), (2131, 38211), (6393, 12737)]