13158215

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 18810000

約数和(自身を除く): 5651785

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1249, 1505, 2107, 6245, 8743, 10535, 43715, 53707, 61201, 268535, 306005, 375949, 1879745, 2631643, 13158215]

約数ペア:

[(1, 13158215), (5, 2631643), (7, 1879745), (35, 375949), (43, 306005), (49, 268535), (215, 61201), (245, 53707), (301, 43715), (1249, 10535), (1505, 8743), (2107, 6245)]