56704137

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 89567232

約数和(自身を除く): 32863095

約数列:

[1, 3, 7, 21, 47, 73, 141, 219, 329, 511, 787, 987, 1533, 2361, 3431, 5509, 10293, 16527, 24017, 36989, 57451, 72051, 110967, 172353, 258923, 402157, 776769, 1206471, 2700197, 8100591, 18901379, 56704137]

約数ペア:

[(1, 56704137), (3, 18901379), (7, 8100591), (21, 2700197), (47, 1206471), (73, 776769), (141, 402157), (219, 258923), (329, 172353), (511, 110967), (787, 72051), (987, 57451), (1533, 36989), (2361, 24017), (3431, 16527), (5509, 10293)]