2187297

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 3778560

約数和(自身を除く): 1591263

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 163, 189, 213, 489, 497, 639, 1141, 1467, 1491, 1917, 3423, 4401, 4473, 10269, 11573, 13419, 30807, 34719, 81011, 104157, 243033, 312471, 729099, 2187297]

約数ペア:

[(1, 2187297), (3, 729099), (7, 312471), (9, 243033), (21, 104157), (27, 81011), (63, 34719), (71, 30807), (163, 13419), (189, 11573), (213, 10269), (489, 4473), (497, 4401), (639, 3423), (1141, 1917), (1467, 1491)]