1978467201

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{55639}}^1$

素因数の和:56090

約数の個数: 20

約数和(自身を含む): 2962273600

約数和(自身を除く): 983806399

約数列:

[1, 3, 9, 27, 81, 439, 1317, 3951, 11853, 35559, 55639, 166917, 500751, 1502253, 4506759, 24425521, 73276563, 219829689, 659489067, 1978467201]

約数ペア:

[(1, 1978467201), (3, 659489067), (9, 219829689), (27, 73276563), (81, 24425521), (439, 4506759), (1317, 1502253), (3951, 500751), (11853, 166917), (35559, 55639)]