213317181

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307817}}^1$

素因数の和:307841

約数の個数: 24

約数和(自身を含む): 384156864

約数和(自身を除く): 170839683

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 307817, 923451, 2154719, 2770353, 3385987, 6464157, 10157961, 19392471, 23701909, 30473883, 71105727, 213317181]

約数ペア:

[(1, 213317181), (3, 71105727), (7, 30473883), (9, 23701909), (11, 19392471), (21, 10157961), (33, 6464157), (63, 3385987), (77, 2770353), (99, 2154719), (231, 923451), (693, 307817)]