81960189

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{7487}}^1$

素因数の和:7620

約数の個数: 16

約数和(自身を含む): 113218560

約数和(自身を除く): 31258371

約数列:

[1, 3, 41, 89, 123, 267, 3649, 7487, 10947, 22461, 306967, 666343, 920901, 1999029, 27320063, 81960189]

約数ペア:

[(1, 81960189), (3, 27320063), (41, 1999029), (89, 920901), (123, 666343), (267, 306967), (3649, 22461), (7487, 10947)]