207777879

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{12043}}^1$

素因数の和:12129

約数の個数: 24

約数和(自身を含む): 315649152

約数和(自身を除く): 107871273

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1917, 5751, 12043, 17253, 36129, 108387, 325161, 855053, 975483, 2565159, 2926449, 7695477, 23086431, 69259293, 207777879]

約数ペア:

[(1, 207777879), (3, 69259293), (9, 23086431), (27, 7695477), (71, 2926449), (81, 2565159), (213, 975483), (243, 855053), (639, 325161), (1917, 108387), (5751, 36129), (12043, 17253)]