221497131

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{9421}}^1$

素因数の和:9902

約数の個数: 16

約数和(自身を含む): 313413408

約数和(自身を除く): 91916277

約数列:

[1, 3, 17, 51, 461, 1383, 7837, 9421, 23511, 28263, 160157, 480471, 4343081, 13029243, 73832377, 221497131]

約数ペア:

[(1, 221497131), (3, 73832377), (17, 13029243), (51, 4343081), (461, 480471), (1383, 160157), (7837, 28263), (9421, 23511)]