858678021

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{133813}}^1$

素因数の和:133873

約数の個数: 24

約数和(自身を含む): 1335998976

約数和(自身を除く): 477320955

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 6417, 133813, 401439, 1204317, 3077699, 4148203, 9233097, 12444609, 27699291, 37333827, 95408669, 286226007, 858678021]

約数ペア:

[(1, 858678021), (3, 286226007), (9, 95408669), (23, 37333827), (31, 27699291), (69, 12444609), (93, 9233097), (207, 4148203), (279, 3077699), (713, 1204317), (2139, 401439), (6417, 133813)]