18156831

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{947}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 12421857

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 947, 1743, 2739, 2841, 6391, 6629, 10417, 19173, 19887, 31251, 72919, 78601, 218757, 235803, 550207, 864611, 1650621, 2593833, 6052277, 18156831]

約数ペア:

[(1, 18156831), (3, 6052277), (7, 2593833), (11, 1650621), (21, 864611), (33, 550207), (77, 235803), (83, 218757), (231, 78601), (249, 72919), (581, 31251), (913, 19887), (947, 19173), (1743, 10417), (2739, 6629), (2841, 6391)]