49028721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 79472640

約数和(自身を除く): 30443919

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1193, 1957, 2163, 3579, 5871, 8351, 13699, 22667, 25053, 41097, 68001, 122879, 158669, 368637, 476007, 860153, 2334701, 2580459, 7004103, 16342907, 49028721]

約数ペア:

[(1, 49028721), (3, 16342907), (7, 7004103), (19, 2580459), (21, 2334701), (57, 860153), (103, 476007), (133, 368637), (309, 158669), (399, 122879), (721, 68001), (1193, 41097), (1957, 25053), (2163, 22667), (3579, 13699), (5871, 8351)]