647996871

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4217}}^1$

素因数の和:4391

約数の個数: 32

約数和(自身を含む): 962108928

約数和(自身を除く): 314112057

約数列:

[1, 3, 17, 23, 51, 69, 131, 391, 393, 1173, 2227, 3013, 4217, 6681, 9039, 12651, 51221, 71689, 96991, 153663, 215067, 290973, 552427, 1648847, 1657281, 4946541, 9391259, 12705821, 28173777, 38117463, 215998957, 647996871]

約数ペア:

[(1, 647996871), (3, 215998957), (17, 38117463), (23, 28173777), (51, 12705821), (69, 9391259), (131, 4946541), (391, 1657281), (393, 1648847), (1173, 552427), (2227, 290973), (3013, 215067), (4217, 153663), (6681, 96991), (9039, 71689), (12651, 51221)]