2017872009

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{78203}}^1$

素因数の和:78317

約数の個数: 24

約数和(自身を含む): 3025556352

約数和(自身を除く): 1007684343

約数列:

[1, 3, 9, 47, 61, 141, 183, 423, 549, 2867, 8601, 25803, 78203, 234609, 703827, 3675541, 4770383, 11026623, 14311149, 33079869, 42933447, 224208001, 672624003, 2017872009]

約数ペア:

[(1, 2017872009), (3, 672624003), (9, 224208001), (47, 42933447), (61, 33079869), (141, 14311149), (183, 11026623), (423, 4770383), (549, 3675541), (2867, 703827), (8601, 234609), (25803, 78203)]