28199985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 49479552

約数和(自身を除く): 21279567

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 617, 831, 1385, 1851, 3047, 3085, 4155, 6787, 9141, 9255, 15235, 20361, 33935, 45705, 101805, 170909, 512727, 854545, 1879999, 2563635, 5639997, 9399995, 28199985]

約数ペア:

[(1, 28199985), (3, 9399995), (5, 5639997), (11, 2563635), (15, 1879999), (33, 854545), (55, 512727), (165, 170909), (277, 101805), (617, 45705), (831, 33935), (1385, 20361), (1851, 15235), (3047, 9255), (3085, 9141), (4155, 6787)]