81285030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9311}}^1$

素因数の和:9421

約数の個数: 48

約数和(自身を含む): 213542784

約数和(自身を除く): 132257754

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2910, 4365, 8730, 9311, 18622, 27933, 46555, 55866, 83799, 93110, 139665, 167598, 279330, 418995, 837990, 903167, 1806334, 2709501, 4515835, 5419002, 8128503, 9031670, 13547505, 16257006, 27095010, 40642515, 81285030]

約数ペア:

[(1, 81285030), (2, 40642515), (3, 27095010), (5, 16257006), (6, 13547505), (9, 9031670), (10, 8128503), (15, 5419002), (18, 4515835), (30, 2709501), (45, 1806334), (90, 903167), (97, 837990), (194, 418995), (291, 279330), (485, 167598), (582, 139665), (873, 93110), (970, 83799), (1455, 55866), (1746, 46555), (2910, 27933), (4365, 18622), (8730, 9311)]