291785247

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{277099}}^1$

素因数の和:277124

約数の個数: 20

約数和(自身を含む): 469407400

約数和(自身を除く): 177622153

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 277099, 831297, 2493891, 3602287, 7481673, 10806861, 22445019, 32420583, 97261749, 291785247]

約数ペア:

[(1, 291785247), (3, 97261749), (9, 32420583), (13, 22445019), (27, 10806861), (39, 7481673), (81, 3602287), (117, 2493891), (351, 831297), (1053, 277099)]