64428441

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{278911}}^1$

素因数の和:278932

約数の個数: 16

約数和(自身を含む): 107102208

約数和(自身を除く): 42673767

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 278911, 836733, 1952377, 3068021, 5857131, 9204063, 21476147, 64428441]

約数ペア:

[(1, 64428441), (3, 21476147), (7, 9204063), (11, 5857131), (21, 3068021), (33, 1952377), (77, 836733), (231, 278911)]