217988442

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{576689}}^1$

素因数の和:576707

約数の個数: 32

約数和(自身を含む): 553622400

約数和(自身を除く): 335633958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 576689, 1153378, 1730067, 3460134, 4036823, 5190201, 8073646, 10380402, 12110469, 15570603, 24220938, 31141206, 36331407, 72662814, 108994221, 217988442]

約数ペア:

[(1, 217988442), (2, 108994221), (3, 72662814), (6, 36331407), (7, 31141206), (9, 24220938), (14, 15570603), (18, 12110469), (21, 10380402), (27, 8073646), (42, 5190201), (54, 4036823), (63, 3460134), (126, 1730067), (189, 1153378), (378, 576689)]