25905393

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 40106880

約数和(自身を除く): 14201487

約数列:

[1, 3, 9, 27, 43, 53, 129, 159, 387, 421, 477, 1161, 1263, 1431, 2279, 3789, 6837, 11367, 18103, 20511, 22313, 54309, 61533, 66939, 162927, 200817, 488781, 602451, 959459, 2878377, 8635131, 25905393]

約数ペア:

[(1, 25905393), (3, 8635131), (9, 2878377), (27, 959459), (43, 602451), (53, 488781), (129, 200817), (159, 162927), (387, 66939), (421, 61533), (477, 54309), (1161, 22313), (1263, 20511), (1431, 18103), (2279, 11367), (3789, 6837)]