28120575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1847}}^1$

素因数の和:1896

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 26875905

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 435, 525, 609, 725, 1015, 1847, 2175, 3045, 5075, 5541, 9235, 12929, 15225, 27705, 38787, 46175, 53563, 64645, 138525, 160689, 193935, 267815, 323225, 374941, 803445, 969675, 1124823, 1339075, 1874705, 4017225, 5624115, 9373525, 28120575]

約数ペア:

[(1, 28120575), (3, 9373525), (5, 5624115), (7, 4017225), (15, 1874705), (21, 1339075), (25, 1124823), (29, 969675), (35, 803445), (75, 374941), (87, 323225), (105, 267815), (145, 193935), (175, 160689), (203, 138525), (435, 64645), (525, 53563), (609, 46175), (725, 38787), (1015, 27705), (1847, 15225), (2175, 12929), (3045, 9235), (5075, 5541)]