397004403

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 574848000

約数和(自身を除く): 177843597

約数列:

[1, 3, 23, 29, 69, 87, 199, 597, 667, 997, 2001, 2991, 4577, 5771, 13731, 17313, 22931, 28913, 68793, 86739, 132733, 198403, 398199, 595209, 664999, 1994997, 4563269, 5753687, 13689807, 17261061, 132334801, 397004403]

約数ペア:

[(1, 397004403), (3, 132334801), (23, 17261061), (29, 13689807), (69, 5753687), (87, 4563269), (199, 1994997), (597, 664999), (667, 595209), (997, 398199), (2001, 198403), (2991, 132733), (4577, 86739), (5771, 68793), (13731, 28913), (17313, 22931)]