15281487

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 26088480

約数和(自身を除く): 10806993

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 169, 197, 221, 351, 459, 507, 591, 663, 1521, 1773, 1989, 2561, 2873, 3349, 4563, 5319, 5967, 7683, 8619, 10047, 23049, 25857, 30141, 33293, 43537, 69147, 77571, 90423, 99879, 130611, 299637, 391833, 565981, 898911, 1175499, 1697943, 5093829, 15281487]

約数ペア:

[(1, 15281487), (3, 5093829), (9, 1697943), (13, 1175499), (17, 898911), (27, 565981), (39, 391833), (51, 299637), (117, 130611), (153, 99879), (169, 90423), (197, 77571), (221, 69147), (351, 43537), (459, 33293), (507, 30141), (591, 25857), (663, 23049), (1521, 10047), (1773, 8619), (1989, 7683), (2561, 5967), (2873, 5319), (3349, 4563)]