81277297917

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{13405459}}^1$

素因数の和:13405552

約数の個数: 16

約数和(自身を含む): 113249326080

約数和(自身を除く): 31972028163

約数列:

[1, 3, 43, 47, 129, 141, 2021, 6063, 13405459, 40216377, 576434737, 630056573, 1729304211, 1890169719, 27092432639, 81277297917]

約数ペア:

[(1, 81277297917), (3, 27092432639), (43, 1890169719), (47, 1729304211), (129, 630056573), (141, 576434737), (2021, 40216377), (6063, 13405459)]