77901981

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{751}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 105689088

約数和(自身を除く): 27787107

約数列:

[1, 3, 71, 213, 487, 751, 1461, 2253, 34577, 53321, 103731, 159963, 365737, 1097211, 25967327, 77901981]

約数ペア:

[(1, 77901981), (3, 25967327), (71, 1097211), (213, 365737), (487, 159963), (751, 103731), (1461, 53321), (2253, 34577)]