71757441

素因数分解:

$3^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1213}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 121982720

約数和(自身を除く): 50225279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 313, 939, 1213, 2191, 2817, 3639, 6573, 8451, 8491, 10917, 19719, 25473, 32751, 59157, 76419, 229257, 379669, 1139007, 2657683, 3417021, 7973049, 10251063, 23919147, 71757441]

約数ペア:

[(1, 71757441), (3, 23919147), (7, 10251063), (9, 7973049), (21, 3417021), (27, 2657683), (63, 1139007), (189, 379669), (313, 229257), (939, 76419), (1213, 59157), (2191, 32751), (2817, 25473), (3639, 19719), (6573, 10917), (8451, 8491)]