87212715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 145385280

約数和(自身を除く): 58172565

約数列:

[1, 3, 5, 15, 29, 87, 145, 157, 435, 471, 785, 1277, 2355, 3831, 4553, 6385, 13659, 19155, 22765, 37033, 68295, 111099, 185165, 200489, 555495, 601467, 1002445, 3007335, 5814181, 17442543, 29070905, 87212715]

約数ペア:

[(1, 87212715), (3, 29070905), (5, 17442543), (15, 5814181), (29, 3007335), (87, 1002445), (145, 601467), (157, 555495), (435, 200489), (471, 185165), (785, 111099), (1277, 68295), (2355, 37033), (3831, 22765), (4553, 19155), (6385, 13659)]