81717765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{15091}}^1$

素因数の和:15137

約数の個数: 24

約数和(自身を含む): 138001248

約数和(自身を除く): 56283483

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 15091, 45273, 75455, 226365, 286729, 860187, 1433645, 4300935, 5447851, 16343553, 27239255, 81717765]

約数ペア:

[(1, 81717765), (3, 27239255), (5, 16343553), (15, 5447851), (19, 4300935), (57, 1433645), (95, 860187), (285, 286729), (361, 226365), (1083, 75455), (1805, 45273), (5415, 15091)]