16640505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17609}}^1$

素因数の和:17630

約数の個数: 32

約数和(自身を含む): 33811200

約数和(自身を除く): 17170695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 17609, 52827, 88045, 123263, 158481, 264135, 369789, 475443, 616315, 792405, 1109367, 1848945, 2377215, 3328101, 5546835, 16640505]

約数ペア:

[(1, 16640505), (3, 5546835), (5, 3328101), (7, 2377215), (9, 1848945), (15, 1109367), (21, 792405), (27, 616315), (35, 475443), (45, 369789), (63, 264135), (105, 158481), (135, 123263), (189, 88045), (315, 52827), (945, 17609)]