255380979

素因数分解:

$3^1\times 7^1\times {\mathrm{2179}}^1\times {\mathrm{5581}}^1$

素因数の和:7770

約数の個数: 16

約数和(自身を含む): 389400320

約数和(自身を除く): 134019341

約数列:

[1, 3, 7, 21, 2179, 5581, 6537, 15253, 16743, 39067, 45759, 117201, 12160999, 36482997, 85126993, 255380979]

約数ペア:

[(1, 255380979), (3, 85126993), (7, 36482997), (21, 12160999), (2179, 117201), (5581, 45759), (6537, 39067), (15253, 16743)]