208038945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18973}}^1$

素因数の和:19041

約数の個数: 32

約数和(自身を含む): 360657792

約数和(自身を除く): 152618847

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 18973, 56919, 94865, 284595, 322541, 815839, 967623, 1612705, 2447517, 4079195, 4838115, 12237585, 13869263, 41607789, 69346315, 208038945]

約数ペア:

[(1, 208038945), (3, 69346315), (5, 41607789), (15, 13869263), (17, 12237585), (43, 4838115), (51, 4079195), (85, 2447517), (129, 1612705), (215, 967623), (255, 815839), (645, 322541), (731, 284595), (2193, 94865), (3655, 56919), (10965, 18973)]