20190907827

素因数分解:

$3^4\times {\mathrm{3511}}^1\times {\mathrm{70997}}^1$

素因数の和:74520

約数の個数: 20

約数和(自身を含む): 30170742096

約数和(自身を除く): 9979834269

約数列:

[1, 3, 9, 27, 81, 3511, 10533, 31599, 70997, 94797, 212991, 284391, 638973, 1916919, 5750757, 249270467, 747811401, 2243434203, 6730302609, 20190907827]

約数ペア:

[(1, 20190907827), (3, 6730302609), (9, 2243434203), (27, 747811401), (81, 249270467), (3511, 5750757), (10533, 1916919), (31599, 638973), (70997, 284391), (94797, 212991)]