1968690717

素因数分解:

$3^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{19993}}^1$

素因数の和:20530

約数の個数: 32

約数和(自身を含む): 3339797760

約数和(自身を除く): 1371107043

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 521, 1563, 3647, 4689, 10941, 14067, 19993, 32823, 59979, 98469, 139951, 179937, 419853, 539811, 1259559, 3778677, 10416353, 31249059, 72914471, 93747177, 218743413, 281241531, 656230239, 1968690717]

約数ペア:

[(1, 1968690717), (3, 656230239), (7, 281241531), (9, 218743413), (21, 93747177), (27, 72914471), (63, 31249059), (189, 10416353), (521, 3778677), (1563, 1259559), (3647, 539811), (4689, 419853), (10941, 179937), (14067, 139951), (19993, 98469), (32823, 59979)]