202103209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{138143}}^1$

素因数の和:138180

約数の個数: 16

約数和(自身を含む): 265236480

約数和(自身を除く): 63133271

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 138143, 967001, 1519573, 2624717, 10637011, 18373019, 28871887, 202103209]

約数ペア:

[(1, 202103209), (7, 28871887), (11, 18373019), (19, 10637011), (77, 2624717), (133, 1519573), (209, 967001), (1463, 138143)]