428182659

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 643645440

約数和(自身を除く): 215462781

約数列:

[1, 3, 9, 27, 127, 193, 381, 579, 647, 1143, 1737, 1941, 3429, 5211, 5823, 17469, 24511, 73533, 82169, 124871, 220599, 246507, 374613, 661797, 739521, 1123839, 2218563, 3371517, 15858617, 47575851, 142727553, 428182659]

約数ペア:

[(1, 428182659), (3, 142727553), (9, 47575851), (27, 15858617), (127, 3371517), (193, 2218563), (381, 1123839), (579, 739521), (647, 661797), (1143, 374613), (1737, 246507), (1941, 220599), (3429, 124871), (5211, 82169), (5823, 73533), (17469, 24511)]