217422603

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 327475200

約数和(自身を除く): 110052597

約数列:

[1, 3, 9, 27, 127, 163, 381, 389, 489, 1143, 1167, 1467, 3429, 3501, 4401, 10503, 20701, 49403, 62103, 63407, 148209, 186309, 190221, 444627, 558927, 570663, 1333881, 1711989, 8052689, 24158067, 72474201, 217422603]

約数ペア:

[(1, 217422603), (3, 72474201), (9, 24158067), (27, 8052689), (127, 1711989), (163, 1333881), (381, 570663), (389, 558927), (489, 444627), (1143, 190221), (1167, 186309), (1467, 148209), (3429, 63407), (3501, 62103), (4401, 49403), (10503, 20701)]