207908505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{220009}}^1$

素因数の和:220030

約数の個数: 32

約数和(自身を含む): 422419200

約数和(自身を除く): 214510695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 220009, 660027, 1100045, 1540063, 1980081, 3300135, 4620189, 5940243, 7700315, 9900405, 13860567, 23100945, 29701215, 41581701, 69302835, 207908505]

約数ペア:

[(1, 207908505), (3, 69302835), (5, 41581701), (7, 29701215), (9, 23100945), (15, 13860567), (21, 9900405), (27, 7700315), (35, 5940243), (45, 4620189), (63, 3300135), (105, 1980081), (135, 1540063), (189, 1100045), (315, 660027), (945, 220009)]