217202385

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 353710080

約数和(自身を除く): 136507695

約数列:

[1, 3, 5, 15, 113, 127, 339, 381, 565, 635, 1009, 1695, 1905, 3027, 5045, 14351, 15135, 43053, 71755, 114017, 128143, 215265, 342051, 384429, 570085, 640715, 1710255, 1922145, 14480159, 43440477, 72400795, 217202385]

約数ペア:

[(1, 217202385), (3, 72400795), (5, 43440477), (15, 14480159), (113, 1922145), (127, 1710255), (339, 640715), (381, 570085), (565, 384429), (635, 342051), (1009, 215265), (1695, 128143), (1905, 114017), (3027, 71755), (5045, 43053), (14351, 15135)]