31531122

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{997}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 78466752

約数和(自身を除く): 46935630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 251, 502, 753, 997, 1506, 1757, 1994, 2259, 2991, 3514, 4518, 5271, 5982, 6979, 8973, 10542, 13958, 15813, 17946, 20937, 31626, 41874, 62811, 125622, 250247, 500494, 750741, 1501482, 1751729, 2252223, 3503458, 4504446, 5255187, 10510374, 15765561, 31531122]

約数ペア:

[(1, 31531122), (2, 15765561), (3, 10510374), (6, 5255187), (7, 4504446), (9, 3503458), (14, 2252223), (18, 1751729), (21, 1501482), (42, 750741), (63, 500494), (126, 250247), (251, 125622), (502, 62811), (753, 41874), (997, 31626), (1506, 20937), (1757, 17946), (1994, 15813), (2259, 13958), (2991, 10542), (3514, 8973), (4518, 6979), (5271, 5982)]