18147717

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15161}}^1$

素因数の和:15193

約数の個数: 24

約数和(自身を含む): 31536960

約数和(自身を除く): 13389243

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15161, 45483, 106127, 136449, 288059, 318381, 864177, 955143, 2016413, 2592531, 6049239, 18147717]

約数ペア:

[(1, 18147717), (3, 6049239), (7, 2592531), (9, 2016413), (19, 955143), (21, 864177), (57, 318381), (63, 288059), (133, 136449), (171, 106127), (399, 45483), (1197, 15161)]