28432887

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 44476416

約数和(自身を除く): 16043529

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 1523, 2667, 4569, 6223, 10661, 18669, 31983, 74627, 193421, 223881, 580263, 1353947, 4061841, 9477629, 28432887]

約数ペア:

[(1, 28432887), (3, 9477629), (7, 4061841), (21, 1353947), (49, 580263), (127, 223881), (147, 193421), (381, 74627), (889, 31983), (1523, 18669), (2667, 10661), (4569, 6223)]