87669819

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11923}}^1$

素因数の和:11991

約数の個数: 24

約数和(自身を含む): 136410560

約数和(自身を除く): 48740741

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 11923, 35769, 107307, 226537, 512689, 679611, 1538067, 2038833, 4614201, 9741091, 29223273, 87669819]

約数ペア:

[(1, 87669819), (3, 29223273), (9, 9741091), (19, 4614201), (43, 2038833), (57, 1538067), (129, 679611), (171, 512689), (387, 226537), (817, 107307), (2451, 35769), (7353, 11923)]