207855209

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 238298760

約数和(自身を除く): 30443551

約数列:

[1, 17, 23, 29, 391, 493, 529, 667, 797, 8993, 11339, 13549, 15341, 18331, 23113, 260797, 311627, 392921, 421613, 531599, 7167421, 9037183, 12226777, 207855209]

約数ペア:

[(1, 207855209), (17, 12226777), (23, 9037183), (29, 7167421), (391, 531599), (493, 421613), (529, 392921), (667, 311627), (797, 260797), (8993, 23113), (11339, 18331), (13549, 15341)]