78127497

素因数分解:

$3^4\times 7^1\times {\mathrm{137791}}^1$

素因数の和:137810

約数の個数: 20

約数和(自身を含む): 133382656

約数和(自身を除く): 55255159

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 137791, 413373, 964537, 1240119, 2893611, 3720357, 8680833, 11161071, 26042499, 78127497]

約数ペア:

[(1, 78127497), (3, 26042499), (7, 11161071), (9, 8680833), (21, 3720357), (27, 2893611), (63, 1240119), (81, 964537), (189, 413373), (567, 137791)]