81553149

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{2789}}^1$

素因数の和:2839

約数の個数: 30

約数和(自身を含む): 128621790

約数和(自身を除く): 47068641

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 361, 513, 1083, 1539, 2789, 3249, 8367, 9747, 25101, 29241, 52991, 75303, 158973, 225909, 476919, 1006829, 1430757, 3020487, 4292271, 9061461, 27184383, 81553149]

約数ペア:

[(1, 81553149), (3, 27184383), (9, 9061461), (19, 4292271), (27, 3020487), (57, 1430757), (81, 1006829), (171, 476919), (361, 225909), (513, 158973), (1083, 75303), (1539, 52991), (2789, 29241), (3249, 25101), (8367, 9747)]