31078431

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67709}}^1$

素因数の和:67735

約数の個数: 16

約数和(自身を含む): 48751200

約数和(自身を除く): 17672769

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 67709, 203127, 609381, 1151053, 1828143, 3453159, 10359477, 31078431]

約数ペア:

[(1, 31078431), (3, 10359477), (9, 3453159), (17, 1828143), (27, 1151053), (51, 609381), (153, 203127), (459, 67709)]