52780581

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1307}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 87332544

約数和(自身を除く): 34551963

約数列:

[1, 3, 7, 9, 21, 63, 641, 1307, 1923, 3921, 4487, 5769, 9149, 11763, 13461, 27447, 40383, 82341, 837787, 2513361, 5864509, 7540083, 17593527, 52780581]

約数ペア:

[(1, 52780581), (3, 17593527), (7, 7540083), (9, 5864509), (21, 2513361), (63, 837787), (641, 82341), (1307, 40383), (1923, 27447), (3921, 13461), (4487, 11763), (5769, 9149)]