81807417

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{1063}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 125483904

約数和(自身を除く): 43676487

約数列:

[1, 3, 9, 17, 51, 153, 503, 1063, 1509, 3189, 4527, 8551, 9567, 18071, 25653, 54213, 76959, 162639, 534689, 1604067, 4812201, 9089713, 27269139, 81807417]

約数ペア:

[(1, 81807417), (3, 27269139), (9, 9089713), (17, 4812201), (51, 1604067), (153, 534689), (503, 162639), (1063, 76959), (1509, 54213), (3189, 25653), (4527, 18071), (8551, 9567)]