2105676891

素因数分解:

$3^5\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 3331141632

約数和(自身を除く): 1225464741

約数列:

[1, 3, 9, 27, 31, 71, 81, 93, 127, 213, 243, 279, 381, 639, 837, 961, 1143, 1917, 2201, 2511, 2883, 3429, 3937, 5751, 6603, 7533, 8649, 9017, 10287, 11811, 17253, 19809, 25947, 27051, 30861, 35433, 59427, 68231, 77841, 81153, 106299, 122047, 178281, 204693, 233523, 243459, 279527, 318897, 366141, 534843, 614079, 730377, 838581, 956691, 1098423, 1842237, 2191131, 2515743, 3295269, 5526711, 7547229, 8665337, 9885807, 16580133, 22641687, 25996011, 29657421, 67925061, 77988033, 233964099, 701892297, 2105676891]

約数ペア:

[(1, 2105676891), (3, 701892297), (9, 233964099), (27, 77988033), (31, 67925061), (71, 29657421), (81, 25996011), (93, 22641687), (127, 16580133), (213, 9885807), (243, 8665337), (279, 7547229), (381, 5526711), (639, 3295269), (837, 2515743), (961, 2191131), (1143, 1842237), (1917, 1098423), (2201, 956691), (2511, 838581), (2883, 730377), (3429, 614079), (3937, 534843), (5751, 366141), (6603, 318897), (7533, 279527), (8649, 243459), (9017, 233523), (10287, 204693), (11811, 178281), (17253, 122047), (19809, 106299), (25947, 81153), (27051, 77841), (30861, 68231), (35433, 59427)]