28405467

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44453}}^1$

素因数の和:44530

約数の個数: 12

約数和(自身を含む): 41608944

約数和(自身を除く): 13203477

約数列:

[1, 3, 9, 71, 213, 639, 44453, 133359, 400077, 3156163, 9468489, 28405467]

約数ペア:

[(1, 28405467), (3, 9468489), (9, 3156163), (71, 400077), (213, 133359), (639, 44453)]