128655213

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{28571}}^1$

素因数の和:28672

約数の個数: 16

約数和(自身を含む): 182860800

約数和(自身を除く): 54205587

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 28571, 85713, 542849, 1628547, 2257109, 6771327, 42885071, 128655213]

約数ペア:

[(1, 128655213), (3, 42885071), (19, 6771327), (57, 2257109), (79, 1628547), (237, 542849), (1501, 85713), (4503, 28571)]