7828779

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 12786240

約数和(自身を除く): 4957461

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 2803, 8409, 19621, 53257, 58863, 137347, 159771, 372799, 412041, 1118397, 2609593, 7828779]

約数ペア:

[(1, 7828779), (3, 2609593), (7, 1118397), (19, 412041), (21, 372799), (49, 159771), (57, 137347), (133, 58863), (147, 53257), (399, 19621), (931, 8409), (2793, 2803)]