28797825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2926

約数の個数: 48

約数和(自身を含む): 57297920

約数和(自身を除く): 28500095

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2887, 3325, 8661, 9975, 14435, 20209, 43305, 54853, 60627, 72175, 101045, 164559, 216525, 274265, 303135, 383971, 505225, 822795, 1151913, 1371325, 1515675, 1919855, 4113975, 5759565, 9599275, 28797825]

約数ペア:

[(1, 28797825), (3, 9599275), (5, 5759565), (7, 4113975), (15, 1919855), (19, 1515675), (21, 1371325), (25, 1151913), (35, 822795), (57, 505225), (75, 383971), (95, 303135), (105, 274265), (133, 216525), (175, 164559), (285, 101045), (399, 72175), (475, 60627), (525, 54853), (665, 43305), (1425, 20209), (1995, 14435), (2887, 9975), (3325, 8661)]