208247913

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{1871}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 306633600

約数和(自身を除く): 98385687

約数列:

[1, 3, 9, 83, 149, 249, 447, 747, 1341, 1871, 5613, 12367, 16839, 37101, 111303, 155293, 278779, 465879, 836337, 1397637, 2509011, 23138657, 69415971, 208247913]

約数ペア:

[(1, 208247913), (3, 69415971), (9, 23138657), (83, 2509011), (149, 1397637), (249, 836337), (447, 465879), (747, 278779), (1341, 155293), (1871, 111303), (5613, 37101), (12367, 16839)]