129198783

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 203295744

約数和(自身を除く): 74096961

約数列:

[1, 3, 7, 21, 37, 111, 257, 259, 647, 771, 777, 1799, 1941, 4529, 5397, 9509, 13587, 23939, 28527, 66563, 71817, 166279, 167573, 199689, 498837, 502719, 1163953, 3491859, 6152323, 18456969, 43066261, 129198783]

約数ペア:

[(1, 129198783), (3, 43066261), (7, 18456969), (21, 6152323), (37, 3491859), (111, 1163953), (257, 502719), (259, 498837), (647, 199689), (771, 167573), (777, 166279), (1799, 71817), (1941, 66563), (4529, 28527), (5397, 23939), (9509, 13587)]