1557428739

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{4007}}^1$

素因数の和:4207

約数の個数: 32

約数和(自身を含む): 2234732544

約数和(自身を除く): 677303805

約数列:

[1, 3, 23, 43, 69, 129, 131, 393, 989, 2967, 3013, 4007, 5633, 9039, 12021, 16899, 92161, 129559, 172301, 276483, 388677, 516903, 524917, 1574751, 3962923, 11888769, 12073091, 22571431, 36219273, 67714293, 519142913, 1557428739]

約数ペア:

[(1, 1557428739), (3, 519142913), (23, 67714293), (43, 36219273), (69, 22571431), (129, 12073091), (131, 11888769), (393, 3962923), (989, 1574751), (2967, 524917), (3013, 516903), (4007, 388677), (5633, 276483), (9039, 172301), (12021, 129559), (16899, 92161)]