81225519

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{1847}}^1$

素因数の和:2094

約数の個数: 16

約数和(自身を含む): 110170368

約数和(自身を除く): 28944849

約数列:

[1, 3, 107, 137, 321, 411, 1847, 5541, 14659, 43977, 197629, 253039, 592887, 759117, 27075173, 81225519]

約数ペア:

[(1, 81225519), (3, 27075173), (107, 759117), (137, 592887), (321, 253039), (411, 197629), (1847, 43977), (5541, 14659)]