51861987

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1259}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 78624000

約数和(自身を除く): 26762013

約数列:

[1, 3, 9, 23, 69, 199, 207, 597, 1259, 1791, 3777, 4577, 11331, 13731, 28957, 41193, 86871, 250541, 260613, 751623, 2254869, 5762443, 17287329, 51861987]

約数ペア:

[(1, 51861987), (3, 17287329), (9, 5762443), (23, 2254869), (69, 751623), (199, 260613), (207, 250541), (597, 86871), (1259, 41193), (1791, 28957), (3777, 13731), (4577, 11331)]