81504549

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4637}}^1$

素因数の和:4687

約数の個数: 40

約数和(自身を含む): 143666688

約数和(自身を除く): 62162139

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 4637, 5859, 13911, 17577, 32459, 41733, 97377, 125199, 143747, 292131, 375597, 431241, 876393, 1006229, 1293723, 2629179, 3018687, 3881169, 9056061, 11643507, 27168183, 81504549]

約数ペア:

[(1, 81504549), (3, 27168183), (7, 11643507), (9, 9056061), (21, 3881169), (27, 3018687), (31, 2629179), (63, 1293723), (81, 1006229), (93, 876393), (189, 431241), (217, 375597), (279, 292131), (567, 143747), (651, 125199), (837, 97377), (1953, 41733), (2511, 32459), (4637, 17577), (5859, 13911)]