1189809

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 20

約数和(自身を含む): 1830004

約数和(自身を除く): 640195

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 397, 999, 1191, 2997, 3573, 10719, 14689, 32157, 44067, 132201, 396603, 1189809]

約数ペア:

[(1, 1189809), (3, 396603), (9, 132201), (27, 44067), (37, 32157), (81, 14689), (111, 10719), (333, 3573), (397, 2997), (999, 1191)]