28715175

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2277

約数の個数: 48

約数和(自身を含む): 55552000

約数和(自身を除く): 26836825

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2239, 2565, 4275, 6717, 11195, 12825, 20151, 33585, 42541, 55975, 60453, 100755, 127623, 167925, 212705, 302265, 382869, 503775, 638115, 1063525, 1148607, 1511325, 1914345, 3190575, 5743035, 9571725, 28715175]

約数ペア:

[(1, 28715175), (3, 9571725), (5, 5743035), (9, 3190575), (15, 1914345), (19, 1511325), (25, 1148607), (27, 1063525), (45, 638115), (57, 503775), (75, 382869), (95, 302265), (135, 212705), (171, 167925), (225, 127623), (285, 100755), (475, 60453), (513, 55975), (675, 42541), (855, 33585), (1425, 20151), (2239, 12825), (2565, 11195), (4275, 6717)]