78920541

素因数分解:

$3^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1979}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 134323200

約数和(自身を除く): 55402659

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 211, 633, 1477, 1899, 1979, 4431, 5697, 5937, 13293, 13853, 17811, 39879, 41559, 53433, 124677, 374031, 417569, 1252707, 2922983, 3758121, 8768949, 11274363, 26306847, 78920541]

約数ペア:

[(1, 78920541), (3, 26306847), (7, 11274363), (9, 8768949), (21, 3758121), (27, 2922983), (63, 1252707), (189, 417569), (211, 374031), (633, 124677), (1477, 53433), (1899, 41559), (1979, 39879), (4431, 17811), (5697, 13853), (5937, 13293)]