12159639

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7932

約数の個数: 20

約数和(自身を含む): 19122840

約数和(自身を除く): 6963201

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7901, 23703, 71109, 150119, 213327, 450357, 639981, 1351071, 4053213, 12159639]

約数ペア:

[(1, 12159639), (3, 4053213), (9, 1351071), (19, 639981), (27, 450357), (57, 213327), (81, 150119), (171, 71109), (513, 23703), (1539, 7901)]