51138555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20173}}^1$

素因数の和:20207

約数の個数: 24

約数和(自身を含む): 88604208

約数和(自身を除く): 37465653

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 20173, 60519, 100865, 262249, 302595, 786747, 1311245, 3409237, 3933735, 10227711, 17046185, 51138555]

約数ペア:

[(1, 51138555), (3, 17046185), (5, 10227711), (13, 3933735), (15, 3409237), (39, 1311245), (65, 786747), (169, 302595), (195, 262249), (507, 100865), (845, 60519), (2535, 20173)]