1971378

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 40

約数和(自身を含む): 4536048

約数和(自身を除く): 2564670

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 283, 387, 566, 774, 849, 1161, 1698, 2322, 2547, 3483, 5094, 6966, 7641, 12169, 15282, 22923, 24338, 36507, 45846, 73014, 109521, 219042, 328563, 657126, 985689, 1971378]

約数ペア:

[(1, 1971378), (2, 985689), (3, 657126), (6, 328563), (9, 219042), (18, 109521), (27, 73014), (43, 45846), (54, 36507), (81, 24338), (86, 22923), (129, 15282), (162, 12169), (258, 7641), (283, 6966), (387, 5094), (566, 3483), (774, 2547), (849, 2322), (1161, 1698)]