28883505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 24338895

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1979, 2085, 2919, 4865, 5937, 9895, 13853, 14595, 29685, 41559, 69265, 207795, 275081, 825243, 1375405, 1925567, 4126215, 5776701, 9627835, 28883505]

約数ペア:

[(1, 28883505), (3, 9627835), (5, 5776701), (7, 4126215), (15, 1925567), (21, 1375405), (35, 825243), (105, 275081), (139, 207795), (417, 69265), (695, 41559), (973, 29685), (1979, 14595), (2085, 13853), (2919, 9895), (4865, 5937)]