258991215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{352369}}^1$

素因数の和:352391

約数の個数: 24

約数和(自身を含む): 482042160

約数和(自身を除く): 223050945

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 352369, 1057107, 1761845, 2466583, 5285535, 7399749, 12332915, 17266081, 36998745, 51798243, 86330405, 258991215]

約数ペア:

[(1, 258991215), (3, 86330405), (5, 51798243), (7, 36998745), (15, 17266081), (21, 12332915), (35, 7399749), (49, 5285535), (105, 2466583), (147, 1761845), (245, 1057107), (735, 352369)]