405973997

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19853}}^1$

素因数の和:19901

約数の個数: 18

約数和(自身を含む): 483226506

約数和(自身を除く): 77252509

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 19853, 20449, 218383, 258089, 2402213, 2838979, 3355157, 31228769, 36906727, 405973997]

約数ペア:

[(1, 405973997), (11, 36906727), (13, 31228769), (121, 3355157), (143, 2838979), (169, 2402213), (1573, 258089), (1859, 218383), (19853, 20449)]