278141085

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 495331200

約数和(自身を除く): 217190115

約数列:

[1, 3, 5, 9, 15, 45, 53, 139, 159, 265, 417, 477, 695, 795, 839, 1251, 2085, 2385, 2517, 4195, 6255, 7367, 7551, 12585, 22101, 36835, 37755, 44467, 66303, 110505, 116621, 133401, 222335, 331515, 349863, 400203, 583105, 667005, 1049589, 1749315, 2001015, 5247945, 6180913, 18542739, 30904565, 55628217, 92713695, 278141085]

約数ペア:

[(1, 278141085), (3, 92713695), (5, 55628217), (9, 30904565), (15, 18542739), (45, 6180913), (53, 5247945), (139, 2001015), (159, 1749315), (265, 1049589), (417, 667005), (477, 583105), (695, 400203), (795, 349863), (839, 331515), (1251, 222335), (2085, 133401), (2385, 116621), (2517, 110505), (4195, 66303), (6255, 44467), (7367, 37755), (7551, 36835), (12585, 22101)]