28869075

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 55849600

約数和(自身を除く): 26980525

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2251, 2565, 4275, 6753, 11255, 12825, 20259, 33765, 42769, 56275, 60777, 101295, 128307, 168825, 213845, 303885, 384921, 506475, 641535, 1069225, 1154763, 1519425, 1924605, 3207675, 5773815, 9623025, 28869075]

約数ペア:

[(1, 28869075), (3, 9623025), (5, 5773815), (9, 3207675), (15, 1924605), (19, 1519425), (25, 1154763), (27, 1069225), (45, 641535), (57, 506475), (75, 384921), (95, 303885), (135, 213845), (171, 168825), (225, 128307), (285, 101295), (475, 60777), (513, 56275), (675, 42769), (855, 33765), (1425, 20259), (2251, 12825), (2565, 11255), (4275, 6753)]