13156721907

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2261771}}^1$

素因数の和:2262058

約数の個数: 16

約数和(自身を含む): 20120723712

約数和(自身を除く): 6964001805

約数列:

[1, 3, 7, 21, 277, 831, 1939, 5817, 2261771, 6785313, 15832397, 47497191, 626510567, 1879531701, 4385573969, 13156721907]

約数ペア:

[(1, 13156721907), (3, 4385573969), (7, 1879531701), (21, 626510567), (277, 47497191), (831, 15832397), (1939, 6785313), (5817, 2261771)]