217102788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{287173}}^1$

素因数の和:287193

約数の個数: 48

約数和(自身を含む): 643269760

約数和(自身を除く): 426166972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 287173, 574346, 861519, 1148692, 1723038, 2010211, 2584557, 3446076, 4020422, 5169114, 6030633, 7753671, 8040844, 10338228, 12061266, 15507342, 18091899, 24122532, 31014684, 36183798, 54275697, 72367596, 108551394, 217102788]

約数ペア:

[(1, 217102788), (2, 108551394), (3, 72367596), (4, 54275697), (6, 36183798), (7, 31014684), (9, 24122532), (12, 18091899), (14, 15507342), (18, 12061266), (21, 10338228), (27, 8040844), (28, 7753671), (36, 6030633), (42, 5169114), (54, 4020422), (63, 3446076), (84, 2584557), (108, 2010211), (126, 1723038), (189, 1148692), (252, 861519), (378, 574346), (756, 287173)]