28759887

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81937}}^1$

素因数の和:81959

約数の個数: 16

約数和(自身を含む): 45885280

約数和(自身を除く): 17125393

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81937, 245811, 737433, 1065181, 2212299, 3195543, 9586629, 28759887]

約数ペア:

[(1, 28759887), (3, 9586629), (9, 3195543), (13, 2212299), (27, 1065181), (39, 737433), (117, 245811), (351, 81937)]