28254681

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34499}}^1$

素因数の和:34525

約数の個数: 24

約数和(自身を含む): 50232000

約数和(自身を除く): 21977319

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34499, 103497, 241493, 310491, 448487, 724479, 1345461, 2173437, 3139409, 4036383, 9418227, 28254681]

約数ペア:

[(1, 28254681), (3, 9418227), (7, 4036383), (9, 3139409), (13, 2173437), (21, 1345461), (39, 724479), (63, 448487), (91, 310491), (117, 241493), (273, 103497), (819, 34499)]