142124521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80251}}^1$

素因数の和:80292

約数の個数: 16

約数和(自身を含む): 184900608

約数和(自身を除く): 42776087

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 80251, 561757, 882761, 1845773, 6179327, 12920411, 20303503, 142124521]

約数ペア:

[(1, 142124521), (7, 20303503), (11, 12920411), (23, 6179327), (77, 1845773), (161, 882761), (253, 561757), (1771, 80251)]