81123483

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{203317}}^1$

素因数の和:203346

約数の個数: 16

約数和(自身を含む): 130123520

約数和(自身を除く): 49000037

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 203317, 609951, 1423219, 3863023, 4269657, 11589069, 27041161, 81123483]

約数ペア:

[(1, 81123483), (3, 27041161), (7, 11589069), (19, 4269657), (21, 3863023), (57, 1423219), (133, 609951), (399, 203317)]