126862981

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 155716224

約数和(自身を除く): 28853243

約数列:

[1, 7, 19, 61, 133, 361, 427, 823, 1159, 2527, 5761, 8113, 15637, 22021, 50203, 109459, 154147, 297103, 351421, 953857, 2079721, 6676999, 18123283, 126862981]

約数ペア:

[(1, 126862981), (7, 18123283), (19, 6676999), (61, 2079721), (133, 953857), (361, 351421), (427, 297103), (823, 154147), (1159, 109459), (2527, 50203), (5761, 22021), (8113, 15637)]