28394751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122921}}^1$

素因数の和:122942

約数の個数: 16

約数和(自身を含む): 47202048

約数和(自身を除く): 18807297

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122921, 368763, 860447, 1352131, 2581341, 4056393, 9464917, 28394751]

約数ペア:

[(1, 28394751), (3, 9464917), (7, 4056393), (11, 2581341), (21, 1352131), (33, 860447), (77, 368763), (231, 122921)]