28286709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3163}}^1$

素因数の和:3448

約数の個数: 16

約数和(自身を含む): 41309184

約数和(自身を除く): 13022475

約数列:

[1, 3, 11, 33, 271, 813, 2981, 3163, 8943, 9489, 34793, 104379, 857173, 2571519, 9428903, 28286709]

約数ペア:

[(1, 28286709), (3, 9428903), (11, 2571519), (33, 857173), (271, 104379), (813, 34793), (2981, 9489), (3163, 8943)]