64565865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15767}}^1$

素因数の和:15798

約数の個数: 48

約数和(自身を含む): 137749248

約数和(自身を除く): 73183383

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 15767, 47301, 78835, 110369, 141903, 204971, 236505, 331107, 551845, 614913, 709515, 993321, 1024855, 1434797, 1655535, 1844739, 3074565, 4304391, 4966605, 7173985, 9223695, 12913173, 21521955, 64565865]

約数ペア:

[(1, 64565865), (3, 21521955), (5, 12913173), (7, 9223695), (9, 7173985), (13, 4966605), (15, 4304391), (21, 3074565), (35, 1844739), (39, 1655535), (45, 1434797), (63, 1024855), (65, 993321), (91, 709515), (105, 614913), (117, 551845), (195, 331107), (273, 236505), (315, 204971), (455, 141903), (585, 110369), (819, 78835), (1365, 47301), (4095, 15767)]