13156905

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4157}}^1$

素因数の和:4376

約数の個数: 16

約数和(自身を含む): 21155904

約数和(自身を除く): 7998999

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 4157, 12471, 20785, 62355, 877127, 2631381, 4385635, 13156905]

約数ペア:

[(1, 13156905), (3, 4385635), (5, 2631381), (15, 877127), (211, 62355), (633, 20785), (1055, 12471), (3165, 4157)]