2689641

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 4108104

約数和(自身を除く): 1418463

約数列:

[1, 3, 9, 37, 41, 111, 123, 197, 333, 369, 591, 1517, 1773, 4551, 7289, 8077, 13653, 21867, 24231, 65601, 72693, 298849, 896547, 2689641]

約数ペア:

[(1, 2689641), (3, 896547), (9, 298849), (37, 72693), (41, 65601), (111, 24231), (123, 21867), (197, 13653), (333, 8077), (369, 7289), (591, 4551), (1517, 1773)]