221465409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6691}}^1$

素因数の和:6781

約数の個数: 32

約数和(自身を含む): 346913280

約数和(自身を除く): 125447871

約数列:

[1, 3, 11, 17, 33, 51, 59, 177, 187, 561, 649, 1003, 1947, 3009, 6691, 11033, 20073, 33099, 73601, 113747, 220803, 341241, 394769, 1184307, 1251217, 3753651, 4342459, 6711073, 13027377, 20133219, 73821803, 221465409]

約数ペア:

[(1, 221465409), (3, 73821803), (11, 20133219), (17, 13027377), (33, 6711073), (51, 4342459), (59, 3753651), (177, 1251217), (187, 1184307), (561, 394769), (649, 341241), (1003, 220803), (1947, 113747), (3009, 73601), (6691, 33099), (11033, 20073)]