31772871

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 51152640

約数和(自身を除く): 19379769

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 691, 1179, 1703, 2073, 3537, 5109, 6219, 8983, 15327, 18657, 26949, 45981, 80847, 90521, 242541, 271563, 814689, 1176773, 2444067, 3530319, 10590957, 31772871]

約数ペア:

[(1, 31772871), (3, 10590957), (9, 3530319), (13, 2444067), (27, 1176773), (39, 814689), (117, 271563), (131, 242541), (351, 90521), (393, 80847), (691, 45981), (1179, 26949), (1703, 18657), (2073, 15327), (3537, 8983), (5109, 6219)]