172389217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{172217}}^1$

素因数の和:172248

約数の個数: 16

約数和(自身を含む): 231460992

約数和(自身を除く): 59071775

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 172217, 1205519, 1894387, 2238821, 13260709, 15671747, 24627031, 172389217]

約数ペア:

[(1, 172389217), (7, 24627031), (11, 15671747), (13, 13260709), (77, 2238821), (91, 1894387), (143, 1205519), (1001, 172217)]