28421511

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^2$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 41137920

約数和(自身を除く): 12716409

約数列:

[1, 3, 19, 47, 57, 103, 141, 309, 893, 1957, 2679, 4841, 5871, 10609, 14523, 31827, 91979, 201571, 275937, 498623, 604713, 1495869, 9473837, 28421511]

約数ペア:

[(1, 28421511), (3, 9473837), (19, 1495869), (47, 604713), (57, 498623), (103, 275937), (141, 201571), (309, 91979), (893, 31827), (1957, 14523), (2679, 10609), (4841, 5871)]