20187193761

素因数分解:

$3^3\times 7^1\times {\mathrm{106810549}}^1$

素因数の和:106810565

約数の個数: 16

約数和(自身を含む): 34179376000

約数和(自身を除く): 13992182239

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106810549, 320431647, 747673843, 961294941, 2243021529, 2883884823, 6729064587, 20187193761]

約数ペア:

[(1, 20187193761), (3, 6729064587), (7, 2883884823), (9, 2243021529), (21, 961294941), (27, 747673843), (63, 320431647), (189, 106810549)]