719356239

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{863}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 1209821184

約数和(自身を除く): 490464945

約数列:

[1, 3, 7, 9, 21, 63, 101, 131, 303, 393, 707, 863, 909, 917, 1179, 2121, 2589, 2751, 6041, 6363, 7767, 8253, 13231, 18123, 39693, 54369, 87163, 92617, 113053, 119079, 261489, 277851, 339159, 610141, 784467, 791371, 833553, 1017477, 1830423, 2374113, 5491269, 7122339, 11418353, 34255059, 79928471, 102765177, 239785413, 719356239]

約数ペア:

[(1, 719356239), (3, 239785413), (7, 102765177), (9, 79928471), (21, 34255059), (63, 11418353), (101, 7122339), (131, 5491269), (303, 2374113), (393, 1830423), (707, 1017477), (863, 833553), (909, 791371), (917, 784467), (1179, 610141), (2121, 339159), (2589, 277851), (2751, 261489), (6041, 119079), (6363, 113053), (7767, 92617), (8253, 87163), (13231, 54369), (18123, 39693)]