28153467

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 14931333

約数列:

[1, 3, 9, 27, 67, 79, 197, 201, 237, 591, 603, 711, 1773, 1809, 2133, 5293, 5319, 13199, 15563, 15879, 39597, 46689, 47637, 118791, 140067, 142911, 356373, 420201, 1042721, 3128163, 9384489, 28153467]

約数ペア:

[(1, 28153467), (3, 9384489), (9, 3128163), (27, 1042721), (67, 420201), (79, 356373), (197, 142911), (201, 140067), (237, 118791), (591, 47637), (603, 46689), (711, 39597), (1773, 15879), (1809, 15563), (2133, 13199), (5293, 5319)]