12886389

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 19749600

約数和(自身を除く): 6863211

約数列:

[1, 3, 9, 19, 57, 171, 179, 421, 537, 1263, 1611, 3401, 3789, 7999, 10203, 23997, 30609, 71991, 75359, 226077, 678231, 1431821, 4295463, 12886389]

約数ペア:

[(1, 12886389), (3, 4295463), (9, 1431821), (19, 678231), (57, 226077), (171, 75359), (179, 71991), (421, 30609), (537, 23997), (1263, 10203), (1611, 7999), (3401, 3789)]