489369909

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2111}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 808980480

約数和(自身を除く): 319610571

約数列:

[1, 3, 7, 19, 21, 49, 57, 83, 133, 147, 249, 399, 581, 931, 1577, 1743, 2111, 2793, 4067, 4731, 6333, 11039, 12201, 14777, 33117, 40109, 44331, 77273, 103439, 120327, 175213, 231819, 280763, 310317, 525639, 842289, 1226491, 1965341, 3329047, 3679473, 5896023, 8585437, 9987141, 23303329, 25756311, 69909987, 163123303, 489369909]

約数ペア:

[(1, 489369909), (3, 163123303), (7, 69909987), (19, 25756311), (21, 23303329), (49, 9987141), (57, 8585437), (83, 5896023), (133, 3679473), (147, 3329047), (249, 1965341), (399, 1226491), (581, 842289), (931, 525639), (1577, 310317), (1743, 280763), (2111, 231819), (2793, 175213), (4067, 120327), (4731, 103439), (6333, 77273), (11039, 44331), (12201, 40109), (14777, 33117)]