25665903

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 56

約数和(自身を含む): 43282800

約数和(自身を除く): 17616897

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 109, 153, 171, 243, 323, 327, 459, 513, 729, 969, 981, 1377, 1539, 1853, 2071, 2907, 2943, 4131, 4617, 5559, 6213, 8721, 8829, 12393, 13851, 16677, 18639, 26163, 26487, 35207, 50031, 55917, 78489, 79461, 105621, 150093, 167751, 235467, 316863, 450279, 503253, 950589, 1350837, 1509759, 2851767, 8555301, 25665903]

約数ペア:

[(1, 25665903), (3, 8555301), (9, 2851767), (17, 1509759), (19, 1350837), (27, 950589), (51, 503253), (57, 450279), (81, 316863), (109, 235467), (153, 167751), (171, 150093), (243, 105621), (323, 79461), (327, 78489), (459, 55917), (513, 50031), (729, 35207), (969, 26487), (981, 26163), (1377, 18639), (1539, 16677), (1853, 13851), (2071, 12393), (2907, 8829), (2943, 8721), (4131, 6213), (4617, 5559)]