28015533

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 50552320

約数和(自身を除く): 22536787

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 433, 553, 711, 819, 1027, 1299, 1659, 3031, 3081, 3897, 4977, 5629, 7189, 9093, 9243, 16887, 21567, 27279, 34207, 39403, 50661, 64701, 102621, 118209, 239449, 307863, 354627, 444691, 718347, 1334073, 2155041, 3112837, 4002219, 9338511, 28015533]

約数ペア:

[(1, 28015533), (3, 9338511), (7, 4002219), (9, 3112837), (13, 2155041), (21, 1334073), (39, 718347), (63, 444691), (79, 354627), (91, 307863), (117, 239449), (237, 118209), (273, 102621), (433, 64701), (553, 50661), (711, 39403), (819, 34207), (1027, 27279), (1299, 21567), (1659, 16887), (3031, 9243), (3081, 9093), (3897, 7189), (4977, 5629)]