204524271

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9749}}^1$

素因数の和:9805

約数の個数: 40

約数和(自身を含む): 358644000

約数和(自身を除く): 154119729

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 9749, 20979, 29247, 68243, 87741, 204729, 263223, 360713, 614187, 789669, 1082139, 1842561, 2524991, 3246417, 5527683, 7574973, 9739251, 22724919, 29217753, 68174757, 204524271]

約数ペア:

[(1, 204524271), (3, 68174757), (7, 29217753), (9, 22724919), (21, 9739251), (27, 7574973), (37, 5527683), (63, 3246417), (81, 2524991), (111, 1842561), (189, 1082139), (259, 789669), (333, 614187), (567, 360713), (777, 263223), (999, 204729), (2331, 87741), (2997, 68243), (6993, 29247), (9749, 20979)]