81921378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{177319}}^1$

素因数の和:177342

約数の個数: 32

約数和(自身を含む): 204272640

約数和(自身を除く): 122351262

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 177319, 354638, 531957, 1063914, 1241233, 1950509, 2482466, 3723699, 3901018, 5851527, 7447398, 11703054, 13653563, 27307126, 40960689, 81921378]

約数ペア:

[(1, 81921378), (2, 40960689), (3, 27307126), (6, 13653563), (7, 11703054), (11, 7447398), (14, 5851527), (21, 3901018), (22, 3723699), (33, 2482466), (42, 1950509), (66, 1241233), (77, 1063914), (154, 531957), (231, 354638), (462, 177319)]