51311457

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{929}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 82913220

約数和(自身を除く): 31601763

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 361, 929, 969, 1083, 2787, 2907, 3249, 6137, 8361, 15793, 17651, 18411, 47379, 52953, 55233, 142137, 158859, 300067, 335369, 900201, 1006107, 2700603, 3018321, 5701273, 17103819, 51311457]

約数ペア:

[(1, 51311457), (3, 17103819), (9, 5701273), (17, 3018321), (19, 2700603), (51, 1006107), (57, 900201), (153, 335369), (171, 300067), (323, 158859), (361, 142137), (929, 55233), (969, 52953), (1083, 47379), (2787, 18411), (2907, 17651), (3249, 15793), (6137, 8361)]