1287942747

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{362903}}^1$

素因数の和:362939

約数の個数: 24

約数和(自身を含む): 2125165824

約数和(自身を除く): 837223077

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 362903, 1088709, 2540321, 4717739, 7620963, 14153217, 33024173, 61330607, 99072519, 183991821, 429314249, 1287942747]

約数ペア:

[(1, 1287942747), (3, 429314249), (7, 183991821), (13, 99072519), (21, 61330607), (39, 33024173), (91, 14153217), (169, 7620963), (273, 4717739), (507, 2540321), (1183, 1088709), (3549, 362903)]