78273909

素因数分解:

$3^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1709}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 129467520

約数和(自身を除く): 51193611

約数列:

[1, 3, 7, 9, 21, 63, 727, 1709, 2181, 5089, 5127, 6543, 11963, 15267, 15381, 35889, 45801, 107667, 1242443, 3727329, 8697101, 11181987, 26091303, 78273909]

約数ペア:

[(1, 78273909), (3, 26091303), (7, 11181987), (9, 8697101), (21, 3727329), (63, 1242443), (727, 107667), (1709, 45801), (2181, 35889), (5089, 15381), (5127, 15267), (6543, 11963)]