29721111

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74489}}^1$

素因数の和:74518

約数の個数: 16

約数和(自身を含む): 47673600

約数和(自身を除く): 17952489

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 74489, 223467, 521423, 1415291, 1564269, 4245873, 9907037, 29721111]

約数ペア:

[(1, 29721111), (3, 9907037), (7, 4245873), (19, 1564269), (21, 1415291), (57, 521423), (133, 223467), (399, 74489)]