2018703519

素因数分解:

$3^3\times 7^3\times {\mathrm{217979}}^1$

素因数の和:218009

約数の個数: 32

約数和(自身を含む): 3487680000

約数和(自身を除く): 1468976481

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 217979, 653937, 1525853, 1961811, 4577559, 5885433, 10680971, 13732677, 32042913, 41198031, 74766797, 96128739, 224300391, 288386217, 672901173, 2018703519]

約数ペア:

[(1, 2018703519), (3, 672901173), (7, 288386217), (9, 224300391), (21, 96128739), (27, 74766797), (49, 41198031), (63, 32042913), (147, 13732677), (189, 10680971), (343, 5885433), (441, 4577559), (1029, 1961811), (1323, 1525853), (3087, 653937), (9261, 217979)]