28305494811

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4026959}}^1$

素因数の和:4027047

約数の個数: 24

約数和(自身を含む): 45230814720

約数和(自身を除く): 16925319909

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 4026959, 12080877, 36242631, 44296549, 132889647, 285914089, 398668941, 857742267, 2573226801, 3145054979, 9435164937, 28305494811]

約数ペア:

[(1, 28305494811), (3, 9435164937), (9, 3145054979), (11, 2573226801), (33, 857742267), (71, 398668941), (99, 285914089), (213, 132889647), (639, 44296549), (781, 36242631), (2343, 12080877), (7029, 4026959)]