208021917

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1\times {\mathrm{2447}}^1$

素因数の和:3152

約数の個数: 16

約数和(自身を含む): 284359680

約数和(自身を除く): 76337763

約数列:

[1, 3, 43, 129, 659, 1977, 2447, 7341, 28337, 85011, 105221, 315663, 1612573, 4837719, 69340639, 208021917]

約数ペア:

[(1, 208021917), (3, 69340639), (43, 4837719), (129, 1612573), (659, 315663), (1977, 105221), (2447, 85011), (7341, 28337)]