1688894253

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{881009}}^1$

素因数の和:881089

約数の個数: 16

約数和(自身を含む): 2537308800

約数和(自身を除く): 848414547

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 881009, 2643027, 7929081, 23787243, 62551639, 187654917, 562964751, 1688894253]

約数ペア:

[(1, 1688894253), (3, 562964751), (9, 187654917), (27, 62551639), (71, 23787243), (213, 7929081), (639, 2643027), (1917, 881009)]