12805815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77611}}^1$

素因数の和:77630

約数の個数: 16

約数和(自身を含む): 22352256

約数和(自身を除く): 9546441

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 77611, 232833, 388055, 853721, 1164165, 2561163, 4268605, 12805815]

約数ペア:

[(1, 12805815), (3, 4268605), (5, 2561163), (11, 1164165), (15, 853721), (33, 388055), (55, 232833), (165, 77611)]