51977205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 103718784

約数和(自身を除く): 51741579

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 157, 315, 471, 785, 1051, 1099, 1413, 2355, 3153, 3297, 5255, 5495, 7065, 7357, 9459, 9891, 15765, 16485, 22071, 36785, 47295, 49455, 66213, 110355, 165007, 331065, 495021, 825035, 1155049, 1485063, 2475105, 3465147, 5775245, 7425315, 10395441, 17325735, 51977205]

約数ペア:

[(1, 51977205), (3, 17325735), (5, 10395441), (7, 7425315), (9, 5775245), (15, 3465147), (21, 2475105), (35, 1485063), (45, 1155049), (63, 825035), (105, 495021), (157, 331065), (315, 165007), (471, 110355), (785, 66213), (1051, 49455), (1099, 47295), (1413, 36785), (2355, 22071), (3153, 16485), (3297, 15765), (5255, 9891), (5495, 9459), (7065, 7357)]