260039889

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 404599104

約数和(自身を除く): 144559215

約数列:

[1, 3, 9, 27, 53, 61, 81, 159, 183, 243, 331, 477, 549, 993, 1431, 1647, 2979, 3233, 4293, 4941, 8937, 9699, 12879, 14823, 17543, 20191, 26811, 29097, 52629, 60573, 80433, 87291, 157887, 181719, 261873, 473661, 545157, 785619, 1070123, 1420983, 1635471, 3210369, 4262949, 4906413, 9631107, 28893321, 86679963, 260039889]

約数ペア:

[(1, 260039889), (3, 86679963), (9, 28893321), (27, 9631107), (53, 4906413), (61, 4262949), (81, 3210369), (159, 1635471), (183, 1420983), (243, 1070123), (331, 785619), (477, 545157), (549, 473661), (993, 261873), (1431, 181719), (1647, 157887), (2979, 87291), (3233, 80433), (4293, 60573), (4941, 52629), (8937, 29097), (9699, 26811), (12879, 20191), (14823, 17543)]