15187205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 21669120

約数和(自身を除く): 6481915

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 407, 439, 629, 935, 2035, 2195, 3145, 4829, 6919, 7463, 16243, 24145, 34595, 37315, 81215, 82093, 178673, 276131, 410465, 893365, 1380655, 3037441, 15187205]

約数ペア:

[(1, 15187205), (5, 3037441), (11, 1380655), (17, 893365), (37, 410465), (55, 276131), (85, 178673), (185, 82093), (187, 81215), (407, 37315), (439, 34595), (629, 24145), (935, 16243), (2035, 7463), (2195, 6919), (3145, 4829)]