51647505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 102778368

約数和(自身を除く): 51130863

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 157, 195, 241, 273, 455, 471, 723, 785, 1099, 1205, 1365, 1687, 2041, 2355, 3133, 3297, 3615, 5061, 5495, 6123, 8435, 9399, 10205, 14287, 15665, 16485, 21931, 25305, 30615, 37837, 42861, 46995, 65793, 71435, 109655, 113511, 189185, 214305, 264859, 328965, 491881, 567555, 794577, 1324295, 1475643, 2459405, 3443167, 3972885, 7378215, 10329501, 17215835, 51647505]

約数ペア:

[(1, 51647505), (3, 17215835), (5, 10329501), (7, 7378215), (13, 3972885), (15, 3443167), (21, 2459405), (35, 1475643), (39, 1324295), (65, 794577), (91, 567555), (105, 491881), (157, 328965), (195, 264859), (241, 214305), (273, 189185), (455, 113511), (471, 109655), (723, 71435), (785, 65793), (1099, 46995), (1205, 42861), (1365, 37837), (1687, 30615), (2041, 25305), (2355, 21931), (3133, 16485), (3297, 15665), (3615, 14287), (5061, 10205), (5495, 9399), (6123, 8435)]