128514561

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1747}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 204054528

約数和(自身を除く): 75539967

約数列:

[1, 3, 7, 21, 31, 93, 113, 217, 339, 651, 791, 1747, 2373, 3503, 5241, 10509, 12229, 24521, 36687, 54157, 73563, 162471, 197411, 379099, 592233, 1137297, 1381877, 4145631, 6119741, 18359223, 42838187, 128514561]

約数ペア:

[(1, 128514561), (3, 42838187), (7, 18359223), (21, 6119741), (31, 4145631), (93, 1381877), (113, 1137297), (217, 592233), (339, 379099), (651, 197411), (791, 162471), (1747, 73563), (2373, 54157), (3503, 36687), (5241, 24521), (10509, 12229)]