131444289

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 213228288

約数和(自身を除く): 81783999

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 243, 423, 459, 677, 799, 1269, 1377, 2031, 2397, 3807, 4131, 6093, 7191, 11421, 11509, 18279, 21573, 31819, 34527, 54837, 64719, 95457, 103581, 164511, 194157, 286371, 310743, 540923, 859113, 932229, 1622769, 2577339, 2796687, 4868307, 7732017, 14604921, 43814763, 131444289]

約数ペア:

[(1, 131444289), (3, 43814763), (9, 14604921), (17, 7732017), (27, 4868307), (47, 2796687), (51, 2577339), (81, 1622769), (141, 932229), (153, 859113), (243, 540923), (423, 310743), (459, 286371), (677, 194157), (799, 164511), (1269, 103581), (1377, 95457), (2031, 64719), (2397, 54837), (3807, 34527), (4131, 31819), (6093, 21573), (7191, 18279), (11421, 11509)]