64677921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{279991}}^1$

素因数の和:280012

約数の個数: 16

約数和(自身を含む): 107516928

約数和(自身を除く): 42839007

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 279991, 839973, 1959937, 3079901, 5879811, 9239703, 21559307, 64677921]

約数ペア:

[(1, 64677921), (3, 21559307), (7, 9239703), (11, 5879811), (21, 3079901), (33, 1959937), (77, 839973), (231, 279991)]