15131809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10343}}^1$

素因数の和:10380

約数の個数: 16

約数和(自身を含む): 19860480

約数和(自身を除く): 4728671

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 10343, 72401, 113773, 196517, 796411, 1375619, 2161687, 15131809]

約数ペア:

[(1, 15131809), (7, 2161687), (11, 1375619), (19, 796411), (77, 196517), (133, 113773), (209, 72401), (1463, 10343)]