254694321

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6043}}^1$

素因数の和:6282

約数の個数: 32

約数和(自身を含む): 433233920

約数和(自身を除く): 178539599

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 669, 1561, 2007, 4683, 6021, 6043, 14049, 18129, 42147, 42301, 54387, 126903, 163161, 380709, 1142127, 1347589, 4042767, 9433123, 12128301, 28299369, 36384903, 84898107, 254694321]

約数ペア:

[(1, 254694321), (3, 84898107), (7, 36384903), (9, 28299369), (21, 12128301), (27, 9433123), (63, 4042767), (189, 1347589), (223, 1142127), (669, 380709), (1561, 163161), (2007, 126903), (4683, 54387), (6021, 42301), (6043, 42147), (14049, 18129)]