9000990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 26593920

約数和(自身を除く): 17592930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 37, 45, 51, 53, 54, 74, 85, 90, 102, 106, 111, 135, 153, 159, 170, 185, 222, 255, 265, 270, 306, 318, 333, 370, 459, 477, 510, 530, 555, 629, 666, 765, 795, 901, 918, 954, 999, 1110, 1258, 1431, 1530, 1590, 1665, 1802, 1887, 1961, 1998, 2295, 2385, 2703, 2862, 3145, 3330, 3774, 3922, 4505, 4590, 4770, 4995, 5406, 5661, 5883, 6290, 7155, 8109, 9010, 9435, 9805, 9990, 11322, 11766, 13515, 14310, 16218, 16983, 17649, 18870, 19610, 24327, 27030, 28305, 29415, 33337, 33966, 35298, 40545, 48654, 52947, 56610, 58830, 66674, 81090, 84915, 88245, 100011, 105894, 121635, 166685, 169830, 176490, 200022, 243270, 264735, 300033, 333370, 500055, 529470, 600066, 900099, 1000110, 1500165, 1800198, 3000330, 4500495, 9000990]

約数ペア:

[(1, 9000990), (2, 4500495), (3, 3000330), (5, 1800198), (6, 1500165), (9, 1000110), (10, 900099), (15, 600066), (17, 529470), (18, 500055), (27, 333370), (30, 300033), (34, 264735), (37, 243270), (45, 200022), (51, 176490), (53, 169830), (54, 166685), (74, 121635), (85, 105894), (90, 100011), (102, 88245), (106, 84915), (111, 81090), (135, 66674), (153, 58830), (159, 56610), (170, 52947), (185, 48654), (222, 40545), (255, 35298), (265, 33966), (270, 33337), (306, 29415), (318, 28305), (333, 27030), (370, 24327), (459, 19610), (477, 18870), (510, 17649), (530, 16983), (555, 16218), (629, 14310), (666, 13515), (765, 11766), (795, 11322), (901, 9990), (918, 9805), (954, 9435), (999, 9010), (1110, 8109), (1258, 7155), (1431, 6290), (1530, 5883), (1590, 5661), (1665, 5406), (1802, 4995), (1887, 4770), (1961, 4590), (1998, 4505), (2295, 3922), (2385, 3774), (2703, 3330), (2862, 3145)]