78449715

素因数分解:

$3^4\times 5^1\times {\mathrm{193703}}^1$

素因数の和:193720

約数の個数: 20

約数和(自身を含む): 140629104

約数和(自身を除く): 62179389

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 193703, 581109, 968515, 1743327, 2905545, 5229981, 8716635, 15689943, 26149905, 78449715]

約数ペア:

[(1, 78449715), (3, 26149905), (5, 15689943), (9, 8716635), (15, 5229981), (27, 2905545), (45, 1743327), (81, 968515), (135, 581109), (405, 193703)]