31340709

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 49280000

約数和(自身を除く): 17939291

約数列:

[1, 3, 9, 19, 27, 57, 171, 199, 307, 513, 597, 921, 1791, 2763, 3781, 5373, 5833, 8289, 11343, 17499, 34029, 52497, 61093, 102087, 157491, 183279, 549837, 1160767, 1649511, 3482301, 10446903, 31340709]

約数ペア:

[(1, 31340709), (3, 10446903), (9, 3482301), (19, 1649511), (27, 1160767), (57, 549837), (171, 183279), (199, 157491), (307, 102087), (513, 61093), (597, 52497), (921, 34029), (1791, 17499), (2763, 11343), (3781, 8289), (5373, 5833)]