15778881

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2347}}^1$

素因数の和:2442

約数の個数: 20

約数和(自身を含む): 23865072

約数和(自身を除く): 8086191

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2347, 6723, 7041, 21123, 63369, 190107, 194801, 584403, 1753209, 5259627, 15778881]

約数ペア:

[(1, 15778881), (3, 5259627), (9, 1753209), (27, 584403), (81, 194801), (83, 190107), (249, 63369), (747, 21123), (2241, 7041), (2347, 6723)]