28133775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6616

約数の個数: 36

約数和(自身を含む): 53050920

約数和(自身を除く): 24917145

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 6581, 19743, 32905, 59229, 98715, 125039, 164525, 296145, 375117, 493575, 625195, 1125351, 1480725, 1875585, 3125975, 5626755, 9377925, 28133775]

約数ペア:

[(1, 28133775), (3, 9377925), (5, 5626755), (9, 3125975), (15, 1875585), (19, 1480725), (25, 1125351), (45, 625195), (57, 493575), (75, 375117), (95, 296145), (171, 164525), (225, 125039), (285, 98715), (475, 59229), (855, 32905), (1425, 19743), (4275, 6581)]