2118285

素因数分解:

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

素因数の和:115

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2236275

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 71, 85, 117, 135, 153, 195, 213, 221, 255, 351, 355, 459, 585, 639, 663, 765, 923, 1065, 1105, 1207, 1755, 1917, 1989, 2295, 2769, 3195, 3315, 3621, 4615, 5967, 6035, 8307, 9585, 9945, 10863, 13845, 15691, 18105, 24921, 29835, 32589, 41535, 47073, 54315, 78455, 124605, 141219, 162945, 235365, 423657, 706095, 2118285]

約数ペア:

[(1, 2118285), (3, 706095), (5, 423657), (9, 235365), (13, 162945), (15, 141219), (17, 124605), (27, 78455), (39, 54315), (45, 47073), (51, 41535), (65, 32589), (71, 29835), (85, 24921), (117, 18105), (135, 15691), (153, 13845), (195, 10863), (213, 9945), (221, 9585), (255, 8307), (351, 6035), (355, 5967), (459, 4615), (585, 3621), (639, 3315), (663, 3195), (765, 2769), (923, 2295), (1065, 1989), (1105, 1917), (1207, 1755)]