55781505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 113218560

約数和(自身を除く): 57437055

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 71, 79, 85, 117, 153, 195, 213, 221, 237, 255, 355, 395, 585, 639, 663, 711, 765, 923, 1027, 1065, 1105, 1185, 1207, 1343, 1989, 2769, 3081, 3195, 3315, 3555, 3621, 4029, 4615, 5135, 5609, 6035, 6715, 8307, 9243, 9945, 10863, 12087, 13845, 15405, 15691, 16827, 17459, 18105, 20145, 28045, 41535, 46215, 47073, 50481, 52377, 54315, 60435, 72917, 78455, 84135, 87295, 95353, 141219, 157131, 218751, 235365, 252405, 261885, 286059, 364585, 476765, 656253, 706095, 785655, 858177, 1093755, 1239589, 1430295, 3281265, 3718767, 4290885, 6197945, 11156301, 18593835, 55781505]

約数ペア:

[(1, 55781505), (3, 18593835), (5, 11156301), (9, 6197945), (13, 4290885), (15, 3718767), (17, 3281265), (39, 1430295), (45, 1239589), (51, 1093755), (65, 858177), (71, 785655), (79, 706095), (85, 656253), (117, 476765), (153, 364585), (195, 286059), (213, 261885), (221, 252405), (237, 235365), (255, 218751), (355, 157131), (395, 141219), (585, 95353), (639, 87295), (663, 84135), (711, 78455), (765, 72917), (923, 60435), (1027, 54315), (1065, 52377), (1105, 50481), (1185, 47073), (1207, 46215), (1343, 41535), (1989, 28045), (2769, 20145), (3081, 18105), (3195, 17459), (3315, 16827), (3555, 15691), (3621, 15405), (4029, 13845), (4615, 12087), (5135, 10863), (5609, 9945), (6035, 9243), (6715, 8307)]