12888219

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 17884160

約数和(自身を除く): 4995941

約数列:

[1, 3, 31, 93, 139, 417, 997, 2991, 4309, 12927, 30907, 92721, 138583, 415749, 4296073, 12888219]

約数ペア:

[(1, 12888219), (3, 4296073), (31, 415749), (93, 138583), (139, 92721), (417, 30907), (997, 12927), (2991, 4309)]