19871103

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41141}}^1$

素因数の和:41174

約数の個数: 16

約数和(自身を含む): 31597056

約数和(自身を除く): 11725953

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41141, 123423, 287987, 863961, 946243, 2838729, 6623701, 19871103]

約数ペア:

[(1, 19871103), (3, 6623701), (7, 2838729), (21, 946243), (23, 863961), (69, 287987), (161, 123423), (483, 41141)]