216918981

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 317693376

約数和(自身を除く): 100774395

約数列:

[1, 3, 9, 113, 263, 339, 789, 811, 1017, 2367, 2433, 7299, 29719, 89157, 91643, 213293, 267471, 274929, 639879, 824787, 1919637, 24102109, 72306327, 216918981]

約数ペア:

[(1, 216918981), (3, 72306327), (9, 24102109), (113, 1919637), (263, 824787), (339, 639879), (789, 274929), (811, 267471), (1017, 213293), (2367, 91643), (2433, 89157), (7299, 29719)]