28650741

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2993

約数の個数: 24

約数和(自身を含む): 45116640

約数和(自身を除く): 16465899

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 2909, 3283, 8727, 9849, 20363, 61089, 142541, 194903, 427623, 584709, 1364321, 4092963, 9550247, 28650741]

約数ペア:

[(1, 28650741), (3, 9550247), (7, 4092963), (21, 1364321), (49, 584709), (67, 427623), (147, 194903), (201, 142541), (469, 61089), (1407, 20363), (2909, 9849), (3283, 8727)]