318398913

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31391}}^1$

素因数の和:31434

約数の個数: 36

約数和(自身を含む): 558275328

約数和(自身を除く): 239876415

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 31391, 94173, 219737, 282519, 659211, 721993, 1538159, 1977633, 2165979, 4614477, 5053951, 6497937, 13843431, 15161853, 35377657, 45485559, 106132971, 318398913]

約数ペア:

[(1, 318398913), (3, 106132971), (7, 45485559), (9, 35377657), (21, 15161853), (23, 13843431), (49, 6497937), (63, 5053951), (69, 4614477), (147, 2165979), (161, 1977633), (207, 1538159), (441, 721993), (483, 659211), (1127, 282519), (1449, 219737), (3381, 94173), (10143, 31391)]