138968907

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31663}}^1$

素因数の和:31703

約数の個数: 32

約数和(自身を含む): 243179520

約数和(自身を除く): 104210613

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 31663, 94989, 221641, 348293, 601597, 664923, 1044879, 1804791, 2438051, 4211179, 6617567, 7314153, 12633537, 19852701, 46322969, 138968907]

約数ペア:

[(1, 138968907), (3, 46322969), (7, 19852701), (11, 12633537), (19, 7314153), (21, 6617567), (33, 4211179), (57, 2438051), (77, 1804791), (133, 1044879), (209, 664923), (231, 601597), (399, 348293), (627, 221641), (1463, 94989), (4389, 31663)]