205285695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 355829760

約数和(自身を除く): 150544065

約数列:

[1, 3, 5, 15, 23, 53, 69, 103, 109, 115, 159, 265, 309, 327, 345, 515, 545, 795, 1219, 1545, 1635, 2369, 2507, 3657, 5459, 5777, 6095, 7107, 7521, 11227, 11845, 12535, 16377, 17331, 18285, 27295, 28885, 33681, 35535, 37605, 56135, 81885, 86655, 125557, 132871, 168405, 258221, 376671, 398613, 595031, 627785, 664355, 774663, 1291105, 1785093, 1883355, 1993065, 2975155, 3873315, 8925465, 13685713, 41057139, 68428565, 205285695]

約数ペア:

[(1, 205285695), (3, 68428565), (5, 41057139), (15, 13685713), (23, 8925465), (53, 3873315), (69, 2975155), (103, 1993065), (109, 1883355), (115, 1785093), (159, 1291105), (265, 774663), (309, 664355), (327, 627785), (345, 595031), (515, 398613), (545, 376671), (795, 258221), (1219, 168405), (1545, 132871), (1635, 125557), (2369, 86655), (2507, 81885), (3657, 56135), (5459, 37605), (5777, 35535), (6095, 33681), (7107, 28885), (7521, 27295), (11227, 18285), (11845, 17331), (12535, 16377)]