12995521

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 16640960

約数和(自身を除く): 3645439

約数列:

[1, 7, 11, 67, 77, 121, 229, 469, 737, 847, 1603, 2519, 5159, 8107, 15343, 17633, 27709, 56749, 107401, 168773, 193963, 1181411, 1856503, 12995521]

約数ペア:

[(1, 12995521), (7, 1856503), (11, 1181411), (67, 193963), (77, 168773), (121, 107401), (229, 56749), (469, 27709), (737, 17633), (847, 15343), (1603, 8107), (2519, 5159)]