12756289

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 16232832

約数和(自身を除く): 3476543

約数列:

[1, 7, 13, 41, 91, 169, 263, 287, 533, 1183, 1841, 3419, 3731, 6929, 10783, 23933, 44447, 48503, 75481, 140179, 311129, 981253, 1822327, 12756289]

約数ペア:

[(1, 12756289), (7, 1822327), (13, 981253), (41, 311129), (91, 140179), (169, 75481), (263, 48503), (287, 44447), (533, 23933), (1183, 10783), (1841, 6929), (3419, 3731)]