491283

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 36

約数和(自身を含む): 856440

約数和(自身を除く): 365157

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 169, 171, 221, 247, 323, 507, 663, 741, 969, 1521, 1989, 2223, 2873, 2907, 3211, 4199, 8619, 9633, 12597, 25857, 28899, 37791, 54587, 163761, 491283]

約数ペア:

[(1, 491283), (3, 163761), (9, 54587), (13, 37791), (17, 28899), (19, 25857), (39, 12597), (51, 9633), (57, 8619), (117, 4199), (153, 3211), (169, 2907), (171, 2873), (221, 2223), (247, 1989), (323, 1521), (507, 969), (663, 741)]