201255705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{212969}}^1$

素因数の和:212990

約数の個数: 32

約数和(自身を含む): 408902400

約数和(自身を除く): 207646695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 212969, 638907, 1064845, 1490783, 1916721, 3194535, 4472349, 5750163, 7453915, 9583605, 13417047, 22361745, 28750815, 40251141, 67085235, 201255705]

約数ペア:

[(1, 201255705), (3, 67085235), (5, 40251141), (7, 28750815), (9, 22361745), (15, 13417047), (21, 9583605), (27, 7453915), (35, 5750163), (45, 4472349), (63, 3194535), (105, 1916721), (135, 1490783), (189, 1064845), (315, 638907), (945, 212969)]