2897431971

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1943281}}^1$

素因数の和:1943362

約数の個数: 16

約数和(自身を含む): 4477321728

約数和(自身を除く): 1579889757

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1943281, 5829843, 13602967, 40808901, 137972951, 413918853, 965810657, 2897431971]

約数ペア:

[(1, 2897431971), (3, 965810657), (7, 413918853), (21, 137972951), (71, 40808901), (213, 13602967), (497, 5829843), (1491, 1943281)]