81914889

素因数分解:

$3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{13313}}^1$

素因数の和:13616

約数の個数: 16

約数和(自身を含む): 125258112

約数和(自身を除く): 43343223

約数列:

[1, 3, 7, 21, 293, 879, 2051, 6153, 13313, 39939, 93191, 279573, 3900709, 11702127, 27304963, 81914889]

約数ペア:

[(1, 81914889), (3, 27304963), (7, 11702127), (21, 3900709), (293, 279573), (879, 93191), (2051, 39939), (6153, 13313)]