2787420027

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{38153}}^1$

素因数の和:38248

約数の個数: 32

約数和(自身を含む): 4395340800

約数和(自身を除く): 1607920773

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 343, 497, 1029, 1491, 3479, 10437, 24353, 38153, 73059, 114459, 267071, 801213, 1869497, 2708863, 5608491, 8126589, 13086479, 18962041, 39259437, 56886123, 132734287, 398202861, 929140009, 2787420027]

約数ペア:

[(1, 2787420027), (3, 929140009), (7, 398202861), (21, 132734287), (49, 56886123), (71, 39259437), (147, 18962041), (213, 13086479), (343, 8126589), (497, 5608491), (1029, 2708863), (1491, 1869497), (3479, 801213), (10437, 267071), (24353, 114459), (38153, 73059)]