28650219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 44190720

約数和(自身を除く): 15540501

約数列:

[1, 3, 13, 17, 39, 51, 79, 221, 237, 547, 663, 1027, 1343, 1641, 3081, 4029, 7111, 9299, 17459, 21333, 27897, 43213, 52377, 120887, 129639, 362661, 561769, 734621, 1685307, 2203863, 9550073, 28650219]

約数ペア:

[(1, 28650219), (3, 9550073), (13, 2203863), (17, 1685307), (39, 734621), (51, 561769), (79, 362661), (221, 129639), (237, 120887), (547, 52377), (663, 43213), (1027, 27897), (1343, 21333), (1641, 17459), (3081, 9299), (4029, 7111)]