55771989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4751}}^1$

素因数の和:4817

約数の個数: 32

約数和(自身を含む): 93671424

約数和(自身を除く): 37899435

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 4751, 11739, 14253, 33257, 61763, 99771, 185289, 204293, 432341, 612879, 1297023, 1430051, 2655809, 4290153, 7967427, 18590663, 55771989]

約数ペア:

[(1, 55771989), (3, 18590663), (7, 7967427), (13, 4290153), (21, 2655809), (39, 1430051), (43, 1297023), (91, 612879), (129, 432341), (273, 204293), (301, 185289), (559, 99771), (903, 61763), (1677, 33257), (3913, 14253), (4751, 11739)]