1780207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 16

約数和(自身を含む): 2136960

約数和(自身を除く): 356753

約数列:

[1, 11, 13, 59, 143, 211, 649, 767, 2321, 2743, 8437, 12449, 30173, 136939, 161837, 1780207]

約数ペア:

[(1, 1780207), (11, 161837), (13, 136939), (59, 30173), (143, 12449), (211, 8437), (649, 2743), (767, 2321)]