201821949

素因数分解:

$3^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2011}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 351536640

約数和(自身を除く): 149714691

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 243, 413, 531, 567, 1239, 1593, 1701, 2011, 3717, 4779, 6033, 11151, 14077, 14337, 18099, 33453, 42231, 54297, 100359, 118649, 126693, 162891, 355947, 380079, 488673, 830543, 1067841, 1140237, 2491629, 3203523, 3420711, 7474887, 9610569, 22424661, 28831707, 67273983, 201821949]

約数ペア:

[(1, 201821949), (3, 67273983), (7, 28831707), (9, 22424661), (21, 9610569), (27, 7474887), (59, 3420711), (63, 3203523), (81, 2491629), (177, 1140237), (189, 1067841), (243, 830543), (413, 488673), (531, 380079), (567, 355947), (1239, 162891), (1593, 126693), (1701, 118649), (2011, 100359), (3717, 54297), (4779, 42231), (6033, 33453), (11151, 18099), (14077, 14337)]