16857156981

素因数分解:

$3^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{970643}}^1$

素因数の和:971480

約数の個数: 16

約数和(自身を含む): 25718183424

約数和(自身を除く): 8861026443

約数列:

[1, 3, 7, 21, 827, 2481, 5789, 17367, 970643, 2911929, 6794501, 20383503, 802721761, 2408165283, 5619052327, 16857156981]

約数ペア:

[(1, 16857156981), (3, 5619052327), (7, 2408165283), (21, 802721761), (827, 20383503), (2481, 6794501), (5789, 2911929), (17367, 970643)]