221796351

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113567}}^1$

素因数の和:113611

約数の個数: 24

約数和(自身を含む): 377954304

約数和(自身を除く): 156157953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 113567, 340701, 794969, 1022103, 2384907, 3520577, 7154721, 10561731, 24644039, 31685193, 73932117, 221796351]

約数ペア:

[(1, 221796351), (3, 73932117), (7, 31685193), (9, 24644039), (21, 10561731), (31, 7154721), (63, 3520577), (93, 2384907), (217, 1022103), (279, 794969), (651, 340701), (1953, 113567)]