217426659

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 315118080

約数和(自身を除く): 97691421

約数列:

[1, 3, 23, 29, 69, 87, 193, 563, 579, 667, 1689, 2001, 4439, 5597, 12949, 13317, 16327, 16791, 38847, 48981, 108659, 128731, 325977, 375521, 386193, 1126563, 2499157, 3151111, 7497471, 9453333, 72475553, 217426659]

約数ペア:

[(1, 217426659), (3, 72475553), (23, 9453333), (29, 7497471), (69, 3151111), (87, 2499157), (193, 1126563), (563, 386193), (579, 375521), (667, 325977), (1689, 128731), (2001, 108659), (4439, 48981), (5597, 38847), (12949, 16791), (13317, 16327)]