2841489

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 5121792

約数和(自身を除く): 2280303

約数列:

[1, 3, 7, 9, 21, 23, 37, 53, 63, 69, 111, 159, 161, 207, 259, 333, 371, 477, 483, 777, 851, 1113, 1219, 1449, 1961, 2331, 2553, 3339, 3657, 5883, 5957, 7659, 8533, 10971, 13727, 17649, 17871, 25599, 41181, 45103, 53613, 76797, 123543, 135309, 315721, 405927, 947163, 2841489]

約数ペア:

[(1, 2841489), (3, 947163), (7, 405927), (9, 315721), (21, 135309), (23, 123543), (37, 76797), (53, 53613), (63, 45103), (69, 41181), (111, 25599), (159, 17871), (161, 17649), (207, 13727), (259, 10971), (333, 8533), (371, 7659), (477, 5957), (483, 5883), (777, 3657), (851, 3339), (1113, 2553), (1219, 2331), (1449, 1961)]