12639993

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 18272640

約数和(自身を除く): 5632647

約数列:

[1, 3, 17, 51, 61, 183, 239, 289, 717, 867, 1037, 3111, 4063, 12189, 14579, 17629, 43737, 52887, 69071, 207213, 247843, 743529, 4213331, 12639993]

約数ペア:

[(1, 12639993), (3, 4213331), (17, 743529), (51, 247843), (61, 207213), (183, 69071), (239, 52887), (289, 43737), (717, 17629), (867, 14579), (1037, 12189), (3111, 4063)]