420441111

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{11717}}^1$

素因数の和:12172

約数の個数: 20

約数和(自身を含む): 629537832

約数和(自身を除く): 209096721

約数列:

[1, 3, 9, 27, 81, 443, 1329, 3987, 11717, 11961, 35151, 35883, 105453, 316359, 949077, 5190631, 15571893, 46715679, 140147037, 420441111]

約数ペア:

[(1, 420441111), (3, 140147037), (9, 46715679), (27, 15571893), (81, 5190631), (443, 949077), (1329, 316359), (3987, 105453), (11717, 35883), (11961, 35151)]