221187071

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{1621}}^1$

素因数の和:1922

約数の個数: 16

約数和(自身を含む): 256769088

約数和(自身を除く): 35582017

約数列:

[1, 7, 101, 193, 707, 1351, 1621, 11347, 19493, 136451, 163721, 312853, 1146047, 2189971, 31598153, 221187071]

約数ペア:

[(1, 221187071), (7, 31598153), (101, 2189971), (193, 1146047), (707, 312853), (1351, 163721), (1621, 136451), (11347, 19493)]