988984857

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1\times {\mathrm{1367}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 1542316032

約数和(自身を除く): 553331175

約数列:

[1, 3, 7, 21, 47, 141, 329, 733, 987, 1367, 2199, 4101, 5131, 9569, 15393, 28707, 34451, 64249, 103353, 192747, 241157, 449743, 723471, 1002011, 1349229, 3006033, 7014077, 21042231, 47094517, 141283551, 329661619, 988984857]

約数ペア:

[(1, 988984857), (3, 329661619), (7, 141283551), (21, 47094517), (47, 21042231), (141, 7014077), (329, 3006033), (733, 1349229), (987, 1002011), (1367, 723471), (2199, 449743), (4101, 241157), (5131, 192747), (9569, 103353), (15393, 64249), (28707, 34451)]