28990575

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 55130400

約数和(自身を除く): 26139825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1305, 1481, 2175, 3915, 4443, 6525, 7405, 13329, 19575, 22215, 37025, 39987, 42949, 66645, 111075, 128847, 199935, 214745, 333225, 386541, 644235, 999675, 1073725, 1159623, 1932705, 3221175, 5798115, 9663525, 28990575]

約数ペア:

[(1, 28990575), (3, 9663525), (5, 5798115), (9, 3221175), (15, 1932705), (25, 1159623), (27, 1073725), (29, 999675), (45, 644235), (75, 386541), (87, 333225), (135, 214745), (145, 199935), (225, 128847), (261, 111075), (435, 66645), (675, 42949), (725, 39987), (783, 37025), (1305, 22215), (1481, 19575), (2175, 13329), (3915, 7405), (4443, 6525)]