28907925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13291}}^1$

素因数の和:13333

約数の個数: 24

約数和(自身を含む): 49446240

約数和(自身を除く): 20538315

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13291, 39873, 66455, 199365, 332275, 385439, 996825, 1156317, 1927195, 5781585, 9635975, 28907925]

約数ペア:

[(1, 28907925), (3, 9635975), (5, 5781585), (15, 1927195), (25, 1156317), (29, 996825), (75, 385439), (87, 332275), (145, 199365), (435, 66455), (725, 39873), (2175, 13291)]