1031121

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 1834560

約数和(自身を除く): 803439

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1259, 3777, 8813, 11331, 16367, 26439, 49101, 79317, 114569, 147303, 343707, 1031121]

約数ペア:

[(1, 1031121), (3, 343707), (7, 147303), (9, 114569), (13, 79317), (21, 49101), (39, 26439), (63, 16367), (91, 11331), (117, 8813), (273, 3777), (819, 1259)]