72458721

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 106695680

約数和(自身を除く): 34236959

約数列:

[1, 3, 9, 79, 223, 237, 457, 669, 711, 1371, 2007, 4113, 17617, 36103, 52851, 101911, 108309, 158553, 305733, 324927, 917199, 8050969, 24152907, 72458721]

約数ペア:

[(1, 72458721), (3, 24152907), (9, 8050969), (79, 917199), (223, 324927), (237, 305733), (457, 158553), (669, 108309), (711, 101911), (1371, 52851), (2007, 36103), (4113, 17617)]