13811215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1663}}^1$

素因数の和:1830

約数の個数: 16

約数和(自身を含む): 18210816

約数和(自身を除く): 4399601

約数列:

[1, 5, 11, 55, 151, 755, 1661, 1663, 8305, 8315, 18293, 91465, 251113, 1255565, 2762243, 13811215]

約数ペア:

[(1, 13811215), (5, 2762243), (11, 1255565), (55, 251113), (151, 91465), (755, 18293), (1661, 8315), (1663, 8305)]