12639003

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 18507888

約数和(自身を除く): 5868885

約数列:

[1, 3, 13, 39, 97, 169, 257, 291, 507, 771, 1261, 3341, 3783, 10023, 16393, 24929, 43433, 49179, 74787, 130299, 324077, 972231, 4213001, 12639003]

約数ペア:

[(1, 12639003), (3, 4213001), (13, 972231), (39, 324077), (97, 130299), (169, 74787), (257, 49179), (291, 43433), (507, 24929), (771, 16393), (1261, 10023), (3341, 3783)]