51489918

素因数分解:

$2^1\times 3^4\times {\mathrm{317839}}^1$

素因数の和:317853

約数の個数: 20

約数和(自身を含む): 115375920

約数和(自身を除く): 63886002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 317839, 635678, 953517, 1907034, 2860551, 5721102, 8581653, 17163306, 25744959, 51489918]

約数ペア:

[(1, 51489918), (2, 25744959), (3, 17163306), (6, 8581653), (9, 5721102), (18, 2860551), (27, 1907034), (54, 953517), (81, 635678), (162, 317839)]