28949895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 30489849

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 41, 45, 51, 65, 71, 85, 117, 123, 153, 195, 205, 213, 221, 255, 355, 369, 533, 585, 615, 639, 663, 697, 765, 923, 1065, 1105, 1207, 1599, 1845, 1989, 2091, 2665, 2769, 2911, 3195, 3315, 3485, 3621, 4615, 4797, 6035, 6273, 7995, 8307, 8733, 9061, 9945, 10455, 10863, 13845, 14555, 15691, 18105, 23985, 26199, 27183, 31365, 37843, 41535, 43665, 45305, 47073, 49487, 54315, 78455, 81549, 113529, 130995, 135915, 141219, 148461, 189215, 235365, 247435, 340587, 407745, 445383, 567645, 643331, 706095, 742305, 1702935, 1929993, 2226915, 3216655, 5789979, 9649965, 28949895]

約数ペア:

[(1, 28949895), (3, 9649965), (5, 5789979), (9, 3216655), (13, 2226915), (15, 1929993), (17, 1702935), (39, 742305), (41, 706095), (45, 643331), (51, 567645), (65, 445383), (71, 407745), (85, 340587), (117, 247435), (123, 235365), (153, 189215), (195, 148461), (205, 141219), (213, 135915), (221, 130995), (255, 113529), (355, 81549), (369, 78455), (533, 54315), (585, 49487), (615, 47073), (639, 45305), (663, 43665), (697, 41535), (765, 37843), (923, 31365), (1065, 27183), (1105, 26199), (1207, 23985), (1599, 18105), (1845, 15691), (1989, 14555), (2091, 13845), (2665, 10863), (2769, 10455), (2911, 9945), (3195, 9061), (3315, 8733), (3485, 8307), (3621, 7995), (4615, 6273), (4797, 6035)]