13378911

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7031

約数の個数: 24

約数和(自身を含む): 22350384

約数和(自身を除く): 8971473

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 7001, 21003, 49007, 91013, 147021, 273039, 343049, 637091, 1029147, 1911273, 4459637, 13378911]

約数ペア:

[(1, 13378911), (3, 4459637), (7, 1911273), (13, 1029147), (21, 637091), (39, 343049), (49, 273039), (91, 147021), (147, 91013), (273, 49007), (637, 21003), (1911, 7001)]