207971085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^2\times {\mathrm{173}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 386096256

約数和(自身を除く): 178125171

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 173, 321, 519, 535, 749, 865, 1211, 1605, 2247, 2595, 3633, 3745, 6055, 11235, 11449, 18165, 18511, 34347, 55533, 57245, 80143, 92555, 129577, 171735, 240429, 277665, 388731, 400715, 647885, 1202145, 1943655, 1980677, 5942031, 9903385, 13864739, 29710155, 41594217, 69323695, 207971085]

約数ペア:

[(1, 207971085), (3, 69323695), (5, 41594217), (7, 29710155), (15, 13864739), (21, 9903385), (35, 5942031), (105, 1980677), (107, 1943655), (173, 1202145), (321, 647885), (519, 400715), (535, 388731), (749, 277665), (865, 240429), (1211, 171735), (1605, 129577), (2247, 92555), (2595, 80143), (3633, 57245), (3745, 55533), (6055, 34347), (11235, 18511), (11449, 18165)]