1390869

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^2$

素因数の和:181

約数の個数: 18

約数和(自身を含む): 2107170

約数和(自身を除く): 716301

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 2117, 5329, 6351, 15987, 19053, 47961, 154541, 463623, 1390869]

約数ペア:

[(1, 1390869), (3, 463623), (9, 154541), (29, 47961), (73, 19053), (87, 15987), (219, 6351), (261, 5329), (657, 2117)]