81686247

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{1553}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 110769120

約数和(自身を除く): 29082873

約数列:

[1, 3, 89, 197, 267, 591, 1553, 4659, 17533, 52599, 138217, 305941, 414651, 917823, 27228749, 81686247]

約数ペア:

[(1, 81686247), (3, 27228749), (89, 917823), (197, 414651), (267, 305941), (591, 138217), (1553, 52599), (4659, 17533)]