81039798

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{214391}}^1$

素因数の和:214409

約数の個数: 32

約数和(自身を含む): 205816320

約数和(自身を除く): 124776522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 214391, 428782, 643173, 1286346, 1500737, 1929519, 3001474, 3859038, 4502211, 5788557, 9004422, 11577114, 13506633, 27013266, 40519899, 81039798]

約数ペア:

[(1, 81039798), (2, 40519899), (3, 27013266), (6, 13506633), (7, 11577114), (9, 9004422), (14, 5788557), (18, 4502211), (21, 3859038), (27, 3001474), (42, 1929519), (54, 1500737), (63, 1286346), (126, 643173), (189, 428782), (378, 214391)]