201900999

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 272448000

約数和(自身を除く): 70547001

約数列:

[1, 3, 131, 257, 393, 771, 1999, 5997, 33667, 101001, 261869, 513743, 785607, 1541229, 67300333, 201900999]

約数ペア:

[(1, 201900999), (3, 67300333), (131, 1541229), (257, 785607), (393, 513743), (771, 261869), (1999, 101001), (5997, 33667)]