1640986479

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{1571}}^1\times {\mathrm{3517}}^1$

素因数の和:5108

約数の個数: 32

約数和(自身を含む): 2654542080

約数和(自身を除く): 1013555601

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 1571, 3517, 4713, 10551, 14139, 17281, 31653, 38687, 42417, 51843, 94959, 116061, 155529, 348183, 466587, 1044549, 5525207, 16575621, 49726863, 60777277, 149180589, 182331831, 546995493, 1640986479]

約数ペア:

[(1, 1640986479), (3, 546995493), (9, 182331831), (11, 149180589), (27, 60777277), (33, 49726863), (99, 16575621), (297, 5525207), (1571, 1044549), (3517, 466587), (4713, 348183), (10551, 155529), (14139, 116061), (17281, 94959), (31653, 51843), (38687, 42417)]