40776687

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20879}}^1$

素因数の和:20923

約数の個数: 24

約数和(自身を含む): 69488640

約数和(自身を除く): 28711953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 20879, 62637, 146153, 187911, 438459, 647249, 1315377, 1941747, 4530743, 5825241, 13592229, 40776687]

約数ペア:

[(1, 40776687), (3, 13592229), (7, 5825241), (9, 4530743), (21, 1941747), (31, 1315377), (63, 647249), (93, 438459), (217, 187911), (279, 146153), (651, 62637), (1953, 20879)]