156940173831

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393333769}}^1$

素因数の和:393333798

約数の個数: 16

約数和(自身を含む): 251733612800

約数和(自身を除く): 94793438969

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393333769, 1180001307, 2753336383, 7473341611, 8260009149, 22420024833, 52313391277, 156940173831]

約数ペア:

[(1, 156940173831), (3, 52313391277), (7, 22420024833), (19, 8260009149), (21, 7473341611), (57, 2753336383), (133, 1180001307), (399, 393333769)]