7987707

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3251}}^1$

素因数の和:3280

約数の個数: 32

約数和(自身を含む): 14568960

約数和(自身を除く): 6581253

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 3251, 9753, 22757, 29259, 42263, 68271, 87777, 126789, 204813, 295841, 380367, 614439, 887523, 1141101, 2662569, 7987707]

約数ペア:

[(1, 7987707), (3, 2662569), (7, 1141101), (9, 887523), (13, 614439), (21, 380367), (27, 295841), (39, 204813), (63, 126789), (91, 87777), (117, 68271), (189, 42263), (273, 29259), (351, 22757), (819, 9753), (2457, 3251)]