418278315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{306431}}^1$

素因数の和:306459

約数の個数: 32

約数和(自身を含む): 823689216

約数和(自身を除く): 405410901

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 306431, 919293, 1532155, 2145017, 3983603, 4596465, 6435051, 10725085, 11950809, 19918015, 27885221, 32175255, 59754045, 83655663, 139426105, 418278315]

約数ペア:

[(1, 418278315), (3, 139426105), (5, 83655663), (7, 59754045), (13, 32175255), (15, 27885221), (21, 19918015), (35, 11950809), (39, 10725085), (65, 6435051), (91, 4596465), (105, 3983603), (195, 2145017), (273, 1532155), (455, 919293), (1365, 306431)]