199364253

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15451}}^1$

素因数の和:15505

約数の個数: 32

約数和(自身を含む): 320412672

約数和(自身を除く): 121048419

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 4301, 12903, 15451, 46353, 169961, 262667, 355373, 509883, 788001, 1066119, 2889337, 3909103, 6041341, 8668011, 11727309, 18124023, 66454751, 199364253]

約数ペア:

[(1, 199364253), (3, 66454751), (11, 18124023), (17, 11727309), (23, 8668011), (33, 6041341), (51, 3909103), (69, 2889337), (187, 1066119), (253, 788001), (391, 509883), (561, 355373), (759, 262667), (1173, 169961), (4301, 46353), (12903, 15451)]