191886993

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{687767}}^1$

素因数の和:687804

約数の個数: 12

約数和(自身を含む): 286111488

約数和(自身を除く): 94224495

約数列:

[1, 3, 9, 31, 93, 279, 687767, 2063301, 6189903, 21320777, 63962331, 191886993]

約数ペア:

[(1, 191886993), (3, 63962331), (9, 21320777), (31, 6189903), (93, 2063301), (279, 687767)]