15889887

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 25731264

約数和(自身を除く): 9841377

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 337, 403, 507, 1011, 1209, 1521, 3033, 3627, 4381, 5239, 10447, 13143, 15717, 31341, 39429, 47151, 56953, 94023, 135811, 170859, 407433, 512577, 1222299, 1765543, 5296629, 15889887]

約数ペア:

[(1, 15889887), (3, 5296629), (9, 1765543), (13, 1222299), (31, 512577), (39, 407433), (93, 170859), (117, 135811), (169, 94023), (279, 56953), (337, 47151), (403, 39429), (507, 31341), (1011, 15717), (1209, 13143), (1521, 10447), (3033, 5239), (3627, 4381)]