28031313

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 12519087

約数列:

[1, 3, 29, 43, 59, 87, 127, 129, 177, 381, 1247, 1711, 2537, 3683, 3741, 5133, 5461, 7493, 7611, 11049, 16383, 22479, 73573, 158369, 217297, 220719, 322199, 475107, 651891, 966597, 9343771, 28031313]

約数ペア:

[(1, 28031313), (3, 9343771), (29, 966597), (43, 651891), (59, 475107), (87, 322199), (127, 220719), (129, 217297), (177, 158369), (381, 73573), (1247, 22479), (1711, 16383), (2537, 11049), (3683, 7611), (3741, 7493), (5133, 5461)]