78546951

素因数分解:

$3^2\times 7^2\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:940

約数の個数: 36

約数和(自身を含む): 132662712

約数和(自身を除く): 54115761

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 277, 441, 643, 831, 1929, 1939, 2493, 4501, 5787, 5817, 13503, 13573, 17451, 31507, 40509, 40719, 94521, 122157, 178111, 283563, 534333, 1246777, 1602999, 3740331, 8727439, 11220993, 26182317, 78546951]

約数ペア:

[(1, 78546951), (3, 26182317), (7, 11220993), (9, 8727439), (21, 3740331), (49, 1602999), (63, 1246777), (147, 534333), (277, 283563), (441, 178111), (643, 122157), (831, 94521), (1929, 40719), (1939, 40509), (2493, 31507), (4501, 17451), (5787, 13573), (5817, 13503)]