208022241

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521359}}^1$

素因数の和:521388

約数の個数: 16

約数和(自身を含む): 333670400

約数和(自身を除く): 125648159

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 521359, 1564077, 3649513, 9905821, 10948539, 29717463, 69340747, 208022241]

約数ペア:

[(1, 208022241), (3, 69340747), (7, 29717463), (19, 10948539), (21, 9905821), (57, 3649513), (133, 1564077), (399, 521359)]