2070213075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1601}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 4245505056

約数和(自身を除く): 2175291981

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 821, 1575, 1601, 2463, 4105, 4803, 5747, 7389, 8005, 11207, 12315, 14409, 17241, 20525, 24015, 28735, 33621, 36945, 40025, 51723, 56035, 61575, 72045, 86205, 100863, 120075, 143675, 168105, 184725, 258615, 280175, 360225, 431025, 504315, 840525, 1293075, 1314421, 2521575, 3943263, 6572105, 9200947, 11829789, 19716315, 27602841, 32860525, 46004735, 59148945, 82808523, 98581575, 138014205, 230023675, 295744725, 414042615, 690071025, 2070213075]

約数ペア:

[(1, 2070213075), (3, 690071025), (5, 414042615), (7, 295744725), (9, 230023675), (15, 138014205), (21, 98581575), (25, 82808523), (35, 59148945), (45, 46004735), (63, 32860525), (75, 27602841), (105, 19716315), (175, 11829789), (225, 9200947), (315, 6572105), (525, 3943263), (821, 2521575), (1575, 1314421), (1601, 1293075), (2463, 840525), (4105, 504315), (4803, 431025), (5747, 360225), (7389, 280175), (8005, 258615), (11207, 184725), (12315, 168105), (14409, 143675), (17241, 120075), (20525, 100863), (24015, 86205), (28735, 72045), (33621, 61575), (36945, 56035), (40025, 51723)]