31911138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{84421}}^1$

素因数の和:84439

約数の個数: 32

約数和(自身を含む): 81045120

約数和(自身を除く): 49133982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 84421, 168842, 253263, 506526, 590947, 759789, 1181894, 1519578, 1772841, 2279367, 3545682, 4558734, 5318523, 10637046, 15955569, 31911138]

約数ペア:

[(1, 31911138), (2, 15955569), (3, 10637046), (6, 5318523), (7, 4558734), (9, 3545682), (14, 2279367), (18, 1772841), (21, 1519578), (27, 1181894), (42, 759789), (54, 590947), (63, 506526), (126, 253263), (189, 168842), (378, 84421)]