13991509

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 17189376

約数和(自身を除く): 3197867

約数列:

[1, 7, 31, 49, 61, 151, 217, 427, 1057, 1519, 1891, 2989, 4681, 7399, 9211, 13237, 32767, 64477, 92659, 229369, 285541, 451339, 1998787, 13991509]

約数ペア:

[(1, 13991509), (7, 1998787), (31, 451339), (49, 285541), (61, 229369), (151, 92659), (217, 64477), (427, 32767), (1057, 13237), (1519, 9211), (1891, 7399), (2989, 4681)]