156871647

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{13933}}^1$

素因数の和:14084

約数の個数: 20

約数和(自身を含む): 236041960

約数和(自身を除く): 79170313

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 13933, 41799, 125397, 376191, 1128573, 1936687, 5810061, 17430183, 52290549, 156871647]

約数ペア:

[(1, 156871647), (3, 52290549), (9, 17430183), (27, 5810061), (81, 1936687), (139, 1128573), (417, 376191), (1251, 125397), (3753, 41799), (11259, 13933)]