16780621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2796

約数の個数: 16

約数和(自身を含む): 20180160

約数和(自身を除く): 3399539

約数列:

[1, 11, 13, 43, 143, 473, 559, 2729, 6149, 30019, 35477, 117347, 390247, 1290817, 1525511, 16780621]

約数ペア:

[(1, 16780621), (11, 1525511), (13, 1290817), (43, 390247), (143, 117347), (473, 35477), (559, 30019), (2729, 6149)]