12707709

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 19885248

約数和(自身を除く): 7177539

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 631, 959, 1893, 2877, 4417, 6713, 13251, 20139, 30919, 86447, 92757, 259341, 605129, 1815387, 4235903, 12707709]

約数ペア:

[(1, 12707709), (3, 4235903), (7, 1815387), (21, 605129), (49, 259341), (137, 92757), (147, 86447), (411, 30919), (631, 20139), (959, 13251), (1893, 6713), (2877, 4417)]