78173829

素因数分解:

$3^5\times {\mathrm{389}}^1\times {\mathrm{827}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 117542880

約数和(自身を除く): 39369051

約数列:

[1, 3, 9, 27, 81, 243, 389, 827, 1167, 2481, 3501, 7443, 10503, 22329, 31509, 66987, 94527, 200961, 321703, 965109, 2895327, 8685981, 26057943, 78173829]

約数ペア:

[(1, 78173829), (3, 26057943), (9, 8685981), (27, 2895327), (81, 965109), (243, 321703), (389, 200961), (827, 94527), (1167, 66987), (2481, 31509), (3501, 22329), (7443, 10503)]