80287209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{9901}}^1$

素因数の和:9977

約数の個数: 24

約数和(自身を含む): 125121672

約数和(自身を除く): 44834463

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 8109, 9901, 29703, 89109, 168317, 504951, 524753, 1514853, 1574259, 4722777, 8920801, 26762403, 80287209]

約数ペア:

[(1, 80287209), (3, 26762403), (9, 8920801), (17, 4722777), (51, 1574259), (53, 1514853), (153, 524753), (159, 504951), (477, 168317), (901, 89109), (2703, 29703), (8109, 9901)]