28430817

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 14077983

約数列:

[1, 3, 17, 29, 47, 51, 87, 141, 409, 493, 799, 1227, 1363, 1479, 2397, 4089, 6953, 11861, 19223, 20859, 23171, 35583, 57669, 69513, 201637, 326791, 557467, 604911, 980373, 1672401, 9476939, 28430817]

約数ペア:

[(1, 28430817), (3, 9476939), (17, 1672401), (29, 980373), (47, 604911), (51, 557467), (87, 326791), (141, 201637), (409, 69513), (493, 57669), (799, 35583), (1227, 23171), (1363, 20859), (1479, 19223), (2397, 11861), (4089, 6953)]