20996856153

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8545729}}^1$

素因数の和:8545758

約数の個数: 32

約数和(自身を含む): 38284870400

約数和(自身を除く): 17288014247

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8545729, 25637187, 59820103, 76911561, 111094477, 179460309, 230734683, 333283431, 538380927, 777661339, 999850293, 1615142781, 2332984017, 2999550879, 6998952051, 20996856153]

約数ペア:

[(1, 20996856153), (3, 6998952051), (7, 2999550879), (9, 2332984017), (13, 1615142781), (21, 999850293), (27, 777661339), (39, 538380927), (63, 333283431), (91, 230734683), (117, 179460309), (189, 111094477), (273, 76911561), (351, 59820103), (819, 25637187), (2457, 8545729)]