81687906

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{24799}}^1$

素因数の和:24871

約数の個数: 32

約数和(自身を含む): 184512000

約数和(自身を除く): 102824094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 24799, 49598, 74397, 148794, 223191, 446382, 669573, 1339146, 1512739, 3025478, 4538217, 9076434, 13614651, 27229302, 40843953, 81687906]

約数ペア:

[(1, 81687906), (2, 40843953), (3, 27229302), (6, 13614651), (9, 9076434), (18, 4538217), (27, 3025478), (54, 1512739), (61, 1339146), (122, 669573), (183, 446382), (366, 223191), (549, 148794), (1098, 74397), (1647, 49598), (3294, 24799)]