131156991

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{50777}}^1$

素因数の和:50831

約数の個数: 24

約数和(自身を含む): 221798304

約数和(自身を除く): 90641313

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 50777, 152331, 355439, 456993, 1066317, 2081857, 3198951, 6245571, 14572999, 18736713, 43718997, 131156991]

約数ペア:

[(1, 131156991), (3, 43718997), (7, 18736713), (9, 14572999), (21, 6245571), (41, 3198951), (63, 2081857), (123, 1066317), (287, 456993), (369, 355439), (861, 152331), (2583, 50777)]