690660003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 1076906880

約数和(自身を除く): 386246877

約数列:

[1, 3, 11, 17, 33, 51, 139, 187, 289, 417, 521, 561, 867, 1529, 1563, 2363, 3179, 4587, 5731, 7089, 8857, 9537, 17193, 25993, 26571, 40171, 72419, 77979, 97427, 120513, 150569, 217257, 292281, 441881, 451707, 796609, 1231123, 1325643, 1656259, 2389827, 3693369, 4968777, 13542353, 20929091, 40627059, 62787273, 230220001, 690660003]

約数ペア:

[(1, 690660003), (3, 230220001), (11, 62787273), (17, 40627059), (33, 20929091), (51, 13542353), (139, 4968777), (187, 3693369), (289, 2389827), (417, 1656259), (521, 1325643), (561, 1231123), (867, 796609), (1529, 451707), (1563, 441881), (2363, 292281), (3179, 217257), (4587, 150569), (5731, 120513), (7089, 97427), (8857, 77979), (9537, 72419), (17193, 40171), (25993, 26571)]