65531571

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 106178688

約数和(自身を除く): 40647117

約数列:

[1, 3, 7, 21, 41, 49, 83, 123, 131, 147, 249, 287, 393, 581, 861, 917, 1743, 2009, 2751, 3403, 4067, 5371, 6027, 6419, 10209, 10873, 12201, 16113, 19257, 23821, 32619, 37597, 71463, 76111, 112791, 166747, 228333, 263179, 445793, 500241, 532777, 789537, 1337379, 1598331, 3120551, 9361653, 21843857, 65531571]

約数ペア:

[(1, 65531571), (3, 21843857), (7, 9361653), (21, 3120551), (41, 1598331), (49, 1337379), (83, 789537), (123, 532777), (131, 500241), (147, 445793), (249, 263179), (287, 228333), (393, 166747), (581, 112791), (861, 76111), (917, 71463), (1743, 37597), (2009, 32619), (2751, 23821), (3403, 19257), (4067, 16113), (5371, 12201), (6027, 10873), (6419, 10209)]