28736589

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{839}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 44815680

約数和(自身を除く): 16079091

約数列:

[1, 3, 7, 21, 49, 147, 233, 699, 839, 1631, 2517, 4893, 5873, 11417, 17619, 34251, 41111, 123333, 195487, 586461, 1368409, 4105227, 9578863, 28736589]

約数ペア:

[(1, 28736589), (3, 9578863), (7, 4105227), (21, 1368409), (49, 586461), (147, 195487), (233, 123333), (699, 41111), (839, 34251), (1631, 17619), (2517, 11417), (4893, 5873)]