78648591

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 123475968

約数和(自身を除く): 44827377

約数列:

[1, 3, 7, 21, 43, 129, 251, 301, 347, 753, 903, 1041, 1757, 2429, 5271, 7287, 10793, 14921, 32379, 44763, 75551, 87097, 104447, 226653, 261291, 313341, 609679, 1829037, 3745171, 11235513, 26216197, 78648591]

約数ペア:

[(1, 78648591), (3, 26216197), (7, 11235513), (21, 3745171), (43, 1829037), (129, 609679), (251, 313341), (301, 261291), (347, 226653), (753, 104447), (903, 87097), (1041, 75551), (1757, 44763), (2429, 32379), (5271, 14921), (7287, 10793)]