51209685

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2729}}^1$

素因数の和:2882

約数の個数: 32

約数和(自身を含む): 91728000

約数和(自身を除く): 40518315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 2085, 2729, 3753, 6255, 8187, 13645, 18765, 24561, 40935, 73683, 122805, 368415, 379331, 1137993, 1896655, 3413979, 5689965, 10241937, 17069895, 51209685]

約数ペア:

[(1, 51209685), (3, 17069895), (5, 10241937), (9, 5689965), (15, 3413979), (27, 1896655), (45, 1137993), (135, 379331), (139, 368415), (417, 122805), (695, 73683), (1251, 40935), (2085, 24561), (2729, 18765), (3753, 13645), (6255, 8187)]