87738819

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1373}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 142456320

約数和(自身を除く): 54717501

約数列:

[1, 3, 7, 17, 21, 51, 119, 179, 357, 537, 1253, 1373, 3043, 3759, 4119, 9129, 9611, 21301, 23341, 28833, 63903, 70023, 163387, 245767, 490161, 737301, 1720369, 4178039, 5161107, 12534117, 29246273, 87738819]

約数ペア:

[(1, 87738819), (3, 29246273), (7, 12534117), (17, 5161107), (21, 4178039), (51, 1720369), (119, 737301), (179, 490161), (357, 245767), (537, 163387), (1253, 70023), (1373, 63903), (3043, 28833), (3759, 23341), (4119, 21301), (9129, 9611)]