19971699

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{787}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 29124480

約数和(自身を除く): 9152781

約数列:

[1, 3, 11, 33, 769, 787, 2307, 2361, 8459, 8657, 25377, 25971, 605203, 1815609, 6657233, 19971699]

約数ペア:

[(1, 19971699), (3, 6657233), (11, 1815609), (33, 605203), (769, 25971), (787, 25377), (2307, 8657), (2361, 8459)]