28712409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{14747}}^1$

素因数の和:14820

約数の個数: 16

約数和(自身を含む): 42474240

約数和(自身を除く): 13761831

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 14747, 44241, 162217, 486651, 870073, 2610219, 9570803, 28712409]

約数ペア:

[(1, 28712409), (3, 9570803), (11, 2610219), (33, 870073), (59, 486651), (177, 162217), (649, 44241), (1947, 14747)]