2566431

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 4474880

約数和(自身を除く): 1908449

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 367, 777, 999, 1101, 2331, 2569, 3303, 6993, 7707, 9909, 13579, 23121, 40737, 69363, 95053, 122211, 285159, 366633, 855477, 2566431]

約数ペア:

[(1, 2566431), (3, 855477), (7, 366633), (9, 285159), (21, 122211), (27, 95053), (37, 69363), (63, 40737), (111, 23121), (189, 13579), (259, 9909), (333, 7707), (367, 6993), (777, 3303), (999, 2569), (1101, 2331)]