143187121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 187619328

約数和(自身を除く): 44432207

約数列:

[1, 7, 11, 23, 77, 161, 233, 253, 347, 1631, 1771, 2429, 2563, 3817, 5359, 7981, 17941, 26719, 37513, 55867, 58949, 80851, 87791, 412643, 565957, 614537, 889361, 1859573, 6225527, 13017011, 20455303, 143187121]

約数ペア:

[(1, 143187121), (7, 20455303), (11, 13017011), (23, 6225527), (77, 1859573), (161, 889361), (233, 614537), (253, 565957), (347, 412643), (1631, 87791), (1771, 80851), (2429, 58949), (2563, 55867), (3817, 37513), (5359, 26719), (7981, 17941)]