212919219

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{129277}}^1$

素因数の和:129347

約数の個数: 16

約数和(自身を含む): 320609440

約数和(自身を除く): 107690221

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 129277, 387831, 1163493, 3490479, 7885897, 23657691, 70973073, 212919219]

約数ペア:

[(1, 212919219), (3, 70973073), (9, 23657691), (27, 7885897), (61, 3490479), (183, 1163493), (549, 387831), (1647, 129277)]