218371437

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{19211}}^1$

素因数の和:19641

約数の個数: 16

約数和(自身を含む): 324298560

約数和(自身を除く): 105927123

約数列:

[1, 3, 9, 27, 421, 1263, 3789, 11367, 19211, 57633, 172899, 518697, 8087831, 24263493, 72790479, 218371437]

約数ペア:

[(1, 218371437), (3, 72790479), (9, 24263493), (27, 8087831), (421, 518697), (1263, 172899), (3789, 57633), (11367, 19211)]