28467915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1979}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 23994165

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 1979, 2055, 2877, 4795, 5937, 9895, 13853, 14385, 29685, 41559, 69265, 207795, 271123, 813369, 1355615, 1897861, 4066845, 5693583, 9489305, 28467915]

約数ペア:

[(1, 28467915), (3, 9489305), (5, 5693583), (7, 4066845), (15, 1897861), (21, 1355615), (35, 813369), (105, 271123), (137, 207795), (411, 69265), (685, 41559), (959, 29685), (1979, 14385), (2055, 13853), (2877, 9895), (4795, 5937)]