215480943

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{211879}}^1$

素因数の和:211998

約数の個数: 12

約数和(自身を含む): 314006160

約数和(自身を除く): 98525217

約数列:

[1, 3, 9, 113, 339, 1017, 211879, 635637, 1906911, 23942327, 71826981, 215480943]

約数ペア:

[(1, 215480943), (3, 71826981), (9, 23942327), (113, 1906911), (339, 635637), (1017, 211879)]