128213181

素因数分解:

$3^2\times {\mathrm{193}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 187556096

約数和(自身を除く): 59342915

約数列:

[1, 3, 9, 193, 223, 331, 579, 669, 993, 1737, 2007, 2979, 43039, 63883, 73813, 129117, 191649, 221439, 387351, 574947, 664317, 14245909, 42737727, 128213181]

約数ペア:

[(1, 128213181), (3, 42737727), (9, 14245909), (193, 664317), (223, 574947), (331, 387351), (579, 221439), (669, 191649), (993, 129117), (1737, 73813), (2007, 63883), (2979, 43039)]