2644677

素因数分解:

$3^3\times 7^2\times {\mathrm{1999}}^1$

素因数の和:2022

約数の個数: 24

約数和(自身を含む): 4560000

約数和(自身を除く): 1915323

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1999, 5997, 13993, 17991, 41979, 53973, 97951, 125937, 293853, 377811, 881559, 2644677]

約数ペア:

[(1, 2644677), (3, 881559), (7, 377811), (9, 293853), (21, 125937), (27, 97951), (49, 53973), (63, 41979), (147, 17991), (189, 13993), (441, 5997), (1323, 1999)]